Apparel|By The Weight Weight Team|August 11, 2026

Allbirds Review – Buy Shoes, Not Gift Cards

Affiliate disclosure

We earn a commission if you buy through the links on this page — 2.5%. Everything below was checked on 11 August 2026 against allbirds.com’s product catalogue, the company’s own SEC filings, the Cochrane Library and PubMed.

Allbirds makes merino wool and eucalyptus-fibre shoes, priced around $100 for most models. The shoes themselves are a real product with a genuine material story. The company’s position is the thing you should know first: its own annual report states “there is substantial doubt about our ability to continue as a going concern”, revenue fell 19.7% last year, and on the day we checked only 18% of the catalogue was in stock. Buy the shoes if they fit. Do not buy a gift card.

Read the Filing First

This is a publicly traded company, which means we do not have to speculate about its health — it is obliged to tell us. From the Form 10-K for the year ended 31 December 2025, filed 31 March 2026:

“There is substantial doubt about our ability to continue as a going concern.”

And, on where that sits: “As a result of our evaluation of the Company’s liquidity for the next twelve months, we have included a discussion about our ability to continue as a going concern in our consolidated financial statements.” That is not a risk factor buried in boilerplate — it is in the accounts.

Measure20252024
Net revenue$152.5m$189.8m
Change−$37.3m (−19.7%)
Net loss$77.3m$93.3m
Total comprehensive loss as % of revenue49.5%50.4%
Gross margin41.0%42.7%

The filing attributes the revenue fall to a $23.1 million decline in the US direct business “resulting from store closures” and $11.9 million internationally “due to our transition to third-party distributors”. It also discloses a 1-for-20 reverse stock split effective 4 September 2024, undertaken after the shares traded below Nasdaq’s minimum bid price for 30 consecutive days, and continuing delisting risk.

What this does and does not mean. A going-concern disclosure is a formal accounting statement that management could not conclude the company can meet its obligations for twelve months without further action. It is not a bankruptcy filing or a closure announcement, and companies carry this language and trade on for years. But it is the most serious such disclosure available, and it is the reason the practical advice in this review differs from an ordinary shoe review.

82% of the Catalogue Is Unavailable

We pulled the full product feed and counted. Across 291 products and 2,829 variants — a variant being a specific size and colour — 505 were in stock.

That is 18% availability, and 82% of the catalogue unavailable. It is by some distance the lowest figure we have measured this year — for comparison, we recorded 100% at one apparel brand, 97% at a skincare brand and 90% at a pet food company in recent weeks.

In practice this is what a shopper actually experiences: the model you want in the colour you want, but not your size — or your size in one colourway only. It is consistent with a business managing inventory tightly under financial pressure, and it is the most immediate practical consequence of everything in the section above.

The practical advice: if you find your size in a shoe you like, that is the moment to buy it. Do not assume it will still be there next month, and do not build a plan around restocks.

The Parent Company Changed Its Name

One more fact from the public record, which we report carefully because we do not know what it means.

The SEC filing record for this registrant lists the name “Allbirds, Inc.” running to 15 June 2026. After that date the registrant appears as “Smartbird, Inc.” The ticker remains BIRD, and the consumer-facing brand and website remain Allbirds.

We are not going to interpret that for you. Corporate renames happen for many reasons — a holding-company restructure, a plan to operate several brands, a rebranding exercise — and we found no explanation we could verify. What we can say is that a company renaming itself away from its flagship brand, two months after filing a going-concern disclosure, is a fact worth knowing before you spend $100. Read it as context, not as a prediction.

Prices, and a Catalogue-Wide Sale

MeasureResult on 11 August 2026
In-stock price range$14.00 – $160.00
Median in-stock price$100.00
Catalogue mixPredominantly shoes, plus socks, a little apparel and underwear
Variants with a “compare at” price above selling price1,611 of 2,829 — 57%
Median implied discount40% (maximum 75%)

The low end of that range is socks and small accessories; the shoes sit mostly at and above $100. That is mid-market for footwear — well below premium running brands’ flagship models, above supermarket shoes.

On the discounting: when 57% of a catalogue carries a struck-through price at a median 40% off, the crossed-out number is functioning as a reference price rather than a deal you have caught. That said, in this particular case the discounting is also plainly what it looks like — a business with falling revenue clearing inventory. If you want the shoes, the prices are genuinely lower than they were; just do not treat the “was” figure as a deadline.

What Shoes Can and Cannot Do

Footwear is sold on injury prevention — pronation control, stability, cushioning, gait analysis at the shop counter. It is worth knowing what the randomised evidence says about all that, because it is not what the industry implies, and because it changes how you should choose.

A Cochrane review published in August 2022 examined running shoes for preventing lower-limb running injuries, pooling 12 trials and 11,240 participants across North America, Europe, Australia and South Africa.

  • “Most evidence demonstrates no reduction in lower-limb running injuries in adults when comparing different types of running shoes.”
  • Neutral/cushioned versus minimalist (5 studies, 766 participants): “may make little or no difference” — low-certainty evidence
  • “There is no evidence that prescribing footwear based on foot type reduces running-related lower-limb injuries in adults” — and this comparison was rated moderate certainty, the strongest in the review

A separate systematic review in the British Journal of Sports Medicine covering 30 randomised trials on running knee injuries found that “various footwear options… did not influence knee injury risk” (risk ratios 0.55 to 1.06) — while running technique retraining to land more softly reduced knee injury risk by roughly two-thirds (RR 0.32, 95% CI 0.16 to 0.63) on low-certainty evidence from one trial of 320 participants.

Which, oddly, is good news for how Allbirds sells shoes. The brand does not claim to correct your gait, control your pronation or prevent injury. It sells comfort and materials — and comfort is the thing footwear actually delivers.

Buy shoes on comfort and fit. A comfortable shoe is one you will wear, and wearing it is the entire benefit. Do not pay a premium for injury-prevention technology that 12 trials and 11,240 people could not detect.

Why This Is on a Weight-Loss Site

Because walking is the exercise people actually keep doing, and the single biggest determinant of whether you keep doing it is whether it is pleasant. PubMed indexes 562 randomised controlled trials on walking and physical activity adherence and 311 on walking and weight loss. It is not a fringe intervention; it is the default one.

Against that background, a comfortable everyday shoe is a genuinely sensible purchase for someone trying to move more — more so than a technical running shoe they will wear twice. The honest version of the pitch is not “these shoes will improve your health”; it is “shoes you find comfortable enough to walk in are worth having, and the brand matters far less than the fit”.

One clinical exception worth stating plainly. If you have diabetes — and a substantial share of readers of this site do — footwear stops being a comfort question and becomes a medical one. There is a large literature on this, with 382 indexed records on diabetic footwear and ulcer prevention. Reduced sensation means a rubbing shoe can cause damage you do not feel. Footwear choice for anyone with diabetic neuropathy is a conversation for a podiatrist or your diabetes team, not a website, and not a fashion brand. This is general information, not medical advice.

The Sustainability Claims

Sustainability is the brand’s founding proposition, so we counted how it actually appears in the product copy across all 291 descriptions.

TermMentions
Eucalyptus45
Merino39
“Natural material”26
Recycled3
Carbon4
“CO2e”, “carbon neutral”, “offset”0

The material claims are specific and substantive. Merino wool and eucalyptus tree fibre are real, identifiable materials, and a shoe made of them is genuinely different from a synthetic one — this is not a conventional trainer with a green sticker. That is the honest core of the brand and it holds up.

The carbon labelling is the part we could not find. Allbirds became known for printing a carbon footprint figure on its products, and across every product description we retrieved the word “carbon” appeared just four times, with “CO2e” not appearing at all. We read the catalogue feed, not the rendered product pages, so the figure may well live in a page element we did not see. Treat this as we did not find it rather than it has gone — but if the carbon number is why you are buying, check it is still there.

Two things do check out in the filings. The company describes itself as “a Delaware public benefit corporation, or PBC, and certified B Corporation, or B Corp” — and, tellingly, lists as a risk that its board’s “duty to balance various interests and our public benefit purpose may result in actions that do not maximize stockholder value”. It also warns investors that its “focus on using sustainable, high-quality materials… may increase our cost of revenue and hinder our revenue growth”. Those are commitments with a cost attached, disclosed to shareholders. That is a meaningfully stronger signal than a marketing page.

How to Buy From a Company in This Position

This is the practical heart of the review. A going-concern disclosure does not mean do not buy — it means buy differently.

  1. Buy the shoes, not a gift card. A gift card is an unsecured claim on the company. If you are giving a gift, give the actual pair
  2. Do not sit on store credit. If you have some, spend it
  3. Pay by card, so you keep chargeback rights if an order is not fulfilled
  4. Buy it when you see it in your size. At 18% availability, waiting is how you miss it
  5. Deal with defects promptly rather than in six months. Warranty administration is the first thing to become uncertain
  6. Do not buy on the promise of future aftercare — resoling, replacements, long-term support. Buy the pair for what it is today
  7. Keep your order confirmation and note the date

None of that is alarmist. It is the same checklist we would give for any retailer carrying this disclosure, and it costs you nothing to follow.

Eligibility and Availability

Availability: the affiliate programme is registered for the United States only, and we make no claim about other markets. Note from the filing that the international business has been transitioned “to third-party distributors”, so the buying experience outside the US may differ substantially from the US direct one.

No membership, subscription or auto-renewal is involved — it is a shop. We were not able to read the returns policy from the pages we retrieved, so we are not stating a return window, a free-returns claim or a warranty length. Check those on the site before ordering, and check them more carefully than you normally would.

Legitimacy and Credentials

CheckResult
Is it a real company?Unambiguously. SEC CIK 0001653909, Nasdaq Global Select Market, ticker BIRD, HQ at 530 Washington St, San Francisco
Corporate formDelaware public benefit corporation and certified B Corporation, per its own 10-K
Financial conditionSubstantial doubt about its ability to continue as a going concern, disclosed in the financial statements
Listing status1-for-20 reverse split in Sept 2024 to regain minimum bid compliance; continuing delisting risk disclosed
Registrant name“Allbirds, Inc.” to 15 June 2026, thereafter “Smartbird, Inc.”
Trustpilot / BBBNot retrieved, so we report none

It is worth saying clearly: everything critical in this review comes from the company itself. Allbirds disclosed its own going-concern doubt, its own revenue decline, its own store closures and its own delisting risk, because a public company must. That transparency is the reason you can make an informed decision here at all — which is more than can be said for most of the private brands we review.

How It Compares

OptionWhere it winsWhere it loses
AllbirdsGenuinely distinctive materials; sells comfort rather than fake injury science; B Corp and PBC; currently heavily discountedGoing-concern doubt; 82% out of stock; warranty and aftercare uncertain
An established running brandDeep stock, reliable warranty, a company that will be there next yearOften sells injury-prevention claims the Cochrane evidence does not support
Trying shoes on in a shopComfort is the one thing that matters and the one thing you cannot assess onlineFewer Allbirds stores than there were, per the filing’s store closures
The shoes you already ownFree, already broken in, and adequate for walkingWorn-out shoes are genuinely uncomfortable, and comfort is what keeps you walking

Who Should Buy, and Who Should Look Elsewhere

Buy a pair if:

  • You have worn Allbirds before and know they suit your feet — that removes the fit risk entirely
  • You find your size in stock and the discounted price is right
  • You want merino or eucalyptus specifically. Few brands offer them at this price
  • You are buying a comfortable everyday shoe to walk more in, which is a sound reason
  • You will pay by card and treat it as a one-off purchase rather than a relationship

Look elsewhere if:

  • You were going to buy a gift card. Buy the shoes instead
  • You need a specific size and colour reliably — at 18% availability, you may not get it
  • You are relying on long-term warranty or aftercare
  • You have diabetes with neuropathy and need clinically appropriate footwear. See a podiatrist
  • You are buying for the carbon label specifically and cannot confirm it is still published
  • You want to try before you buy but have no store within reach

Pros and Cons

Pros

  • Genuinely distinctive materials — merino wool and eucalyptus fibre, mentioned 39 and 45 times respectively across the range
  • Sells comfort, not pseudo-scientific injury prevention — which the Cochrane evidence says is the correct basis for choosing a shoe
  • Delaware public benefit corporation and certified B Corp, with the trade-off disclosed to shareholders as a risk
  • Warns investors that sustainable materials increase its costs — a commitment with a price attached
  • Currently discounted: 57% of variants marked down, median 40%
  • Median in-stock price of $100 is mid-market, not premium
  • Total transparency — every criticism here comes from the company’s own filings

Cons

  • “There is substantial doubt about our ability to continue as a going concern” — in the financial statements
  • Net revenue down 19.7% to $152.5m; net loss $77.3m after $93.3m
  • Comprehensive loss running at 49.5% of revenue
  • Only 505 of 2,829 variants in stock — 18%
  • Store closures cited as the main driver of the US revenue decline
  • 1-for-20 reverse stock split to regain Nasdaq compliance; delisting risk disclosed
  • Registrant renamed from Allbirds, Inc. to Smartbird, Inc. on 15 June 2026, unexplained
  • Carbon labelling not found in any product description we retrieved
  • 57% of the catalogue permanently marked down
  • We could not retrieve the returns policy or warranty terms
  • Gift cards and store credit carry real risk

Limitations of This Review

Checked on 11 August 2026 against the allbirds.com product feed (291 products, 2,829 variants), the company’s Form 10-K for the year ended 31 December 2025 and its SEC filing record, the Cochrane Library and PubMed. Stock and prices change daily; the availability figure is a single-day snapshot and will not match what you see.

We did not wear the shoes. Nothing was bought, worn or walked in. We cannot tell you how they fit, how they wear, whether the wool holds up, how they handle rain, or whether sizing runs true — which for footwear is most of what you want to know. This review covers company condition, stock, pricing, claims and the published evidence on footwear generally.

Several things we could not retrieve and have therefore not stated: the returns policy and window, warranty terms, shipping costs and thresholds, current store count, and any Trustpilot or BBB record. On the carbon labelling, we read the catalogue feed rather than the rendered pages, so its absence from our data is not evidence of its absence from the site. On the corporate rename, we report the dated fact from the SEC record and explicitly decline to interpret it.

On the financial disclosure: the figures are from a filing dated 31 March 2026 and are several months old. A going-concern disclosure describes management’s assessment at that date; it is not a prediction, and companies routinely trade through it. Nothing here is financial advice, and nothing here is a claim that the company will or will not continue.

On the footwear evidence: the Cochrane review concerns running injuries in adults, mostly over 6 to 26 weeks, with much of the evidence rated low or very low certainty, and three of the foot-type trials used military populations. It says shoe type has not been shown to change injury rates — not that shoes are irrelevant, and not that any particular shoe is good or bad. None of this is medical advice; foot pain, and footwear for anyone with diabetes, belong with a clinician.

Frequently Asked Questions

Is Allbirds going out of business?

We cannot say that, and we are not saying it. What we can report is what the company states in its own Form 10-K for the year ended 31 December 2025, filed with the SEC on 31 March 2026: "There is substantial doubt about our ability to continue as a going concern." That language appears in both the risk summary and, per the filing, in the consolidated financial statements following an evaluation of liquidity for the next twelve months. It is a formal accounting disclosure, not a prediction of closure — plenty of companies carry it and trade on for years — but it is the most serious version of that disclosure there is.

How bad are the numbers?

Net revenue fell $37.3 million, or 19.7%, to $152.5 million in 2025 from $189.8 million in 2024. Net loss was $77.3 million in 2025 after $93.3 million in 2024 — so total comprehensive loss ran at about 49.5% of revenue. The filing attributes the revenue decline mainly to a $23.1 million fall in the US direct business "resulting from store closures" and an $11.9 million fall internationally "due to our transition to third-party distributors". Gross margin was 41.0%, down from 42.7%.

Can I still buy shoes?

Yes, and the website works normally — this is not a dead site. But stock is thin. Of 2,829 variants across 291 products we retrieved on 11 August 2026, only 505 were in stock: about 18%. In practice that means you may find the shoe you want but not in your size, or your size but not the colour. Check availability before you plan around it.

Should I buy an Allbirds gift card?

We would not, and this is the clearest piece of advice in the review. A gift card is an unsecured claim on a company that has disclosed substantial doubt about its ability to continue as a going concern. If you want to give someone Allbirds, buy the actual shoes in their size and hand those over instead. The same logic applies to store credit — spend it rather than saving it.

Did the company change its name?

The SEC registrant did. Its filing record shows the name "Allbirds, Inc." running to 15 June 2026, after which the registrant appears as "Smartbird, Inc.", still trading under the ticker BIRD. The consumer brand and website remain Allbirds. We do not know the reason and have not seen it explained — a holding-company rename can reflect a restructuring, a diversification, or simply a corporate tidy-up — so we report the fact and not an interpretation of it.

What do they cost?

Of the items actually in stock on the day we checked, prices ran $14.00 to $160.00 with a median of $100.00 — the low end being socks and accessories, the shoes sitting mostly around and above the $100 mark. Note that 1,611 of 2,829 variants, about 57%, carried a "compare at" price above the selling price, with a median implied discount of 40% and a maximum of 75%. When more than half a catalogue is marked down, the crossed-out figure is a reference price rather than a deal you are catching.

Are Allbirds good for running?

They make running models, but the more useful answer is that the evidence says shoe choice matters much less than the industry implies. A Cochrane review of 12 trials and 11,240 participants concluded that "most evidence demonstrates no reduction in lower-limb running injuries in adults when comparing different types of running shoes", and — with moderate certainty, the strongest rating in the review — that "there is no evidence that prescribing footwear based on foot type reduces running-related lower-limb injuries in adults".

So how should I choose a shoe?

On comfort and fit, because that is what shoes reliably deliver and injury prevention is not. If a shoe is comfortable you will wear it, and wearing it is the entire benefit. For runners specifically, the same body of evidence points somewhere other than footwear: a 2022 systematic review of 30 randomised trials found that running technique retraining to land more softly reduced knee injury risk by roughly two-thirds (RR 0.32, 95% CI 0.16 to 0.63) on low-certainty evidence, while "various footwear options" did not influence knee injury risk at all.

What are they actually made of?

The material story is the brand, and it dominates the copy: across 291 product descriptions we counted 45 mentions of eucalyptus, 39 of merino and 26 of "natural material". The wool runners use merino; the lighter models use eucalyptus tree fibre. Those are genuine, distinctive material choices rather than marketing dressing on a conventional synthetic upper.

What about the carbon footprint labels?

We could not find them in the product descriptions we retrieved. Allbirds became known for printing a carbon footprint figure on its products, but across all 291 descriptions the word "carbon" appeared only 4 times, and "CO2e" not at all. That may simply mean the figure lives elsewhere on the page rather than in the description text — we read the catalogue feed, not the rendered product pages — so treat this as "we did not find it" rather than "it is gone".

Is the B Corp certification real?

It is disclosed in the company's SEC filing, which is about as verifiable as such things get. The 10-K describes the company as "a Delaware public benefit corporation, or PBC, and certified B Corporation, or B Corp", and lists as a risk that its board's "duty to balance various interests and our public benefit purpose may result in actions that do not maximize stockholder value". A company that formally accepts that constraint in its charter is doing more than putting a logo on a website.

Will my warranty be honoured?

We cannot promise that, and neither can anyone else while the going-concern disclosure stands. The practical approach is the one you would take with any retailer in this position: pay by card so you retain chargeback rights, keep your order confirmation, deal with any defect promptly rather than months later, and do not buy on the assumption of long-term aftercare. If the shoes are comfortable and the price is right, buy them for what they are today.

Verdict

2.8 / 5

Distinctive shoes sold on the one thing footwear can honestly deliver — comfort — by a company that has told its own shareholders there is substantial doubt it can continue as a going concern, with 82% of the catalogue unavailable.

The rating is about the purchase, not the product. On the shoes themselves there is a lot to like. Merino wool and eucalyptus fibre are real, distinguishable materials rather than a green sticker on a synthetic trainer. The brand sells comfort rather than pronation control and gait correction — and a Cochrane review of 12 trials and 11,240 participants found no shoe type reduces running injuries, with the strongest finding in the whole review being that prescribing shoes by foot type does not work. Allbirds is, almost accidentally, selling shoes on the only basis the evidence supports.

And the sustainability commitment is more than a marketing page. A Delaware public benefit corporation and certified B Corp that tells investors its board may take “actions that do not maximize stockholder value” and that sustainable materials “may increase our cost of revenue” has attached a real price to the position.

What you have to weigh against that comes from the company’s own annual report. “There is substantial doubt about our ability to continue as a going concern.” Revenue down 19.7% to $152.5 million. A net loss of $77.3 million on top of $93.3 million the year before. Store closures named as the reason US sales fell. A 1-for-20 reverse stock split to stay listed. A registrant that stopped being called Allbirds, Inc. on 15 June 2026. And, on the shelf right now, 505 of 2,829 variants in stock.

So the advice is narrow and practical rather than a yes or a no. If you find a pair you like in your size at a discounted price, buy them, pay by card, and enjoy them. Do not buy a gift card. Do not sit on store credit. Do not buy on the strength of future aftercare. And if you are buying shoes because you want to walk more — which is the best reason on this page — remember that the brand matters far less than whether they are comfortable enough that you actually put them on.

Before You Order

Check your size is actually in stock — only about 18% of variants were when we looked. Buy the shoes rather than a gift card, and spend any store credit you are holding. Pay by card so you keep chargeback rights. Read the returns policy on the site, because we could not. Choose on comfort, not on injury-prevention marketing. And if you have diabetes, take the footwear question to a podiatrist rather than a checkout.