How "greenwashing" actually works in activewear

Greenwashing is rarely a lie. It is a true thing said in a misleading shape, in a category where the misleading shape sells better than the accurate one.

The activewear category is structurally vulnerable to it. Most pieces are synthetic. Most synthetic feedstocks have terrible upstream stories. The buyer wants a clean answer. The brand wants to sell the piece. Into that gap walks a marketing line that is technically true and operationally meaningless.

We are going to look at the six common shapes, name them, and translate each one into the question the buyer should be asking instead. The pillar piece on what sustainable activewear actually has to mean is the framework these six shapes deflect from.

The six shapes

01. The single-attribute headline

"Made with recycled nylon." The legging is made with recycled nylon. It is also made with virgin elastane (8 percent), polyester thread, a TPU-coated waistband, and a printed label. The recycled fibre headline does the work of a full-piece claim while only describing one input.

The question to ask: "What percentage of the piece, by weight, is recycled? What is the rest?"

02. The certification halo

"Our materials are OEKO-TEX certified." OEKO-TEX Standard 100 is a chemistry residue test on a finished article. It does not certify carbon footprint, wage, water, or recycled content. A brand that holds the certificate and uses it as a sustainability proof point is using a real claim in a wrong frame.

The question to ask: "Which certificate, on which article, issued by which institute, valid through which date, and what does it actually test?"

03. The vague time horizon

"Committed to being carbon neutral by 2030." The commitment lives in the future, the marketing lives in the present, and the accountability lives nowhere. Five years out is the median shelf life of a fashion CEO; the person making the claim will not be the one held to it.

The question to ask: "What is the 2026 number? What is the 2025 baseline? Who measured it? Who is accountable for the year-on-year delta?"

04. The offset claim

"Climate-positive shipping." The claim usually sits on top of a portfolio of offset purchases — most often forestry credits — that recent investigations have shown to be substantially overcredited or non-additional (Guardian / Die Zeit / SourceMaterial, 2023). Offsets at the per-shipment level for an apparel brand are almost always rounding errors against real category emissions.

The question to ask: "Which offsets, from which registry, with what additionality evidence?" If the answer is general or unavailable, the claim is decorative.

05. The aesthetic transfer

Earth tones, soft typography, recycled-paper hangtags, leaf iconography. None of these are emissions data. They are visual cues that signal the category called "sustainable" without making any specific claim. The hangtag is paper because paper is cheap; the legging is still polyester-elastane.

The question to ask: "What does the brand say in plain numbers when you take the imagery away?"

06. The vanishing supplier

"Made by skilled artisans in Italy." The artisans are real. The factory is also a 400-person facility with a normal industrial workflow. "Artisan" is doing reputational work the actual production model does not earn.

The question to ask: "What is the facility name? How many people work there? What is the wage benchmark used? Has a third party audited the conditions?" The full supply-chain map across Turkey, Portugal, and Italy is the kind of disclosure this question is looking for.

A framework that works against all six

If a sustainability claim cannot be answered in three sentences with one number, the claim is not load-bearing. The number can be a percentage, a kilogram, a wage figure, a certificate ID — but it has to exist.

A real claim looks like: "This legging is 78 percent recycled nylon by weight. The remaining 22 percent is virgin elastane and polyester thread. Recycled-content audited under GRS certificate XXX, valid through YYYY-MM."

A greenwashed claim looks like: "Sustainably crafted from recycled materials with the planet in mind."

You can tell them apart by trying to disagree. A real claim is falsifiable — you could imagine the percentage being lower than stated, the certificate being expired, the wage being below benchmark. A greenwashed claim is unfalsifiable, which is the same as saying it is empty.

What we owe the reader

We are an activewear brand. We are not exempt from any of the six shapes above; the gravity that pulls every brand toward them pulls us too. The discipline is to keep checking our own copy against the same framework.

When this site uses the word "sustainable," it should be sitting on top of a number, a certificate ID, or a named factory. When it isn't, the line is a draft, not a claim. Our position on what we will not say in marketing is in the pillar piece.

If you find a sentence on this site that fails the test, tell us. We will rewrite it or take it down. That is a low bar, and it is the only one that matters.