What Should a Footwear Factory’s Environmental Numbers Look Like?
Last updated:
- September 15, 2026
Key Takeaways
- Sustainability claims in footwear are mostly adjectives. The useful version is a small set of numbers a buyer can verify.
- Ask for four: share of energy from renewables, water treatment status, waste diversion, and the proportion of certified material inputs — plus the certification that verifies each.
- Foot On Shoes runs at approximately 41% of operational energy from solar, and holds HIGG and RCS alongside SEDEX/SMETA, SA8000 and ISO 9001.
- A factory that answers with values rather than figures has not measured anything.
The problem with sustainability language in footwear
Read ten footwear manufacturer websites and you will find the same vocabulary: responsible, conscious, eco-friendly, green. Almost none of it is falsifiable, which is precisely why it is used.
A sourcing director cannot put an adjective into a supplier scorecard. What ends up in the scorecard is a number and the name of whoever verified it. So the practical question is not “is this factory sustainable” — it is “which figures can this factory produce, and who checked them?”
Here are the four that matter most in footwear, what a credible answer looks like, and what FOS’s numbers actually are.
1. Share of operational energy from renewables
Why it matters. Footwear manufacturing is not energy-intensive compared with, say, tanning or textiles finishing, but it runs continuous machinery, compressed air, heating for cementing and pressing, and increasingly air conditioning. Energy is the largest directly controllable emissions line in most shoe factories.
What a credible answer looks like. A percentage of operational energy, with a basis — on-site generation, purchased renewable, or a mix. “We have solar panels” is not an answer; a roof array powering the canteen is not the same as one carrying a third of the load.
Foot On Shoes: approximately 41% of operational energy comes from solar. It is on-site generation, and it is a proportion of operational energy — not of total emissions, and not including freight.
Follow-up worth asking any supplier: what is the plan for the remaining share, and over what period? A factory with a real programme has a next step. A factory with a panel array has a photograph.
2. Water — treatment, not just usage
Why it matters. This is where footwear supply chains carry genuine environmental risk, and where buyers most often look in the wrong place. Shoe assembly uses relatively little water. Tanning uses a great deal, and tanning is usually a separate business upstream.
What a credible answer looks like. Two distinct answers: what the assembly factory does with its own effluent, and what is known about the tanneries supplying its leather. A supplier who conflates the two, or who only answers for their own site, is answering the easier question.
The honest position. Assembly-stage water use at FOS is modest and treated to local discharge requirements. The material question — tannery practice — is managed through supplier selection and material certification rather than by direct operation, because FOS does not own tanneries. Any manufacturer claiming full control of tannery effluent while buying finished leather on the open market is overstating their position.
Follow-up worth asking: can you name the certification basis for your leather supply, and do you audit your tanneries or rely on their certification? Both answers are legitimate. Only one of them is usually given honestly.
3. Waste diversion
Why it matters. Leather cutting generates substantial offcut waste — the yield from a hide is limited by its natural shape and its defects. What happens to the remainder is a real environmental question and also a real cost question, which is why factories that manage it well tend to know the numbers precisely.
What a credible answer looks like. A diversion route, not a percentage in isolation. Offcuts going to smaller leather goods, to board manufacture, or to accessory producers is genuine diversion. Offcuts going to general waste is not, whatever the percentage.
Follow-up worth asking: what is your cutting yield, and has it changed in the last two years? A factory improving yield is reducing waste at source, which beats any downstream diversion.
4. Certified material inputs
Why it matters. This is the one a brand’s own compliance team will ask about, because it is the one that flows into product claims. If you intend to say anything about recycled content on a swing tag, you need chain-of-custody documentation, not assurances.
What a credible answer looks like. Named standards with current certificate scope and dates.
Foot On Shoes holds:
| Certification | What it covers |
|---|---|
| RCS (Recycled Claim Standard) | Chain of custody for recycled material content — what allows a verified recycled-content claim to be made |
| HIGG | Facility environmental and social performance assessment, widely used across footwear and apparel |
| SEDEX / SMETA | Ethical trade audit — labour standards, health and safety, environment, business ethics |
| SA8000 | Social accountability certification covering labour practice |
| ISO 9001 | Quality management system |
| REACH | Compliance with EU restrictions on chemical substances |
And the standards we do not hold, we do not imply. There are certifications common in this sector that Foot On Shoes has not taken, and when a buyer asks we say so directly. A supplier’s certification list is worth exactly as much as its accuracy — if one entry is aspirational, none of them can be relied on.
The two questions that expose an unverified claim
Whatever a factory tells you, two follow-ups do most of the work.
“What is the scope and date of that certificate?” Certificates cover specific sites, specific processes and specific periods. A group certification held by a parent company does not necessarily cover the facility making your shoes. An expired SMETA audit is not an audit. Ask for the certificate, check the site address against the factory you are buying from, and check the date.
“Which of these do you not hold?” This is the more revealing question, and almost nobody asks it. A supplier who answers it directly is describing a real compliance position. A supplier who cannot name a single standard they lack is either the most certified factory in the industry or is not being straight with you.
Why this matters more than it did three years ago
Two things have changed for brands selling into the UK and EU.
Regulatory. Due-diligence and substantiation requirements have moved environmental claims from marketing copy to legal exposure. A retailer who cannot document a recycled-content claim now carries a risk their compliance team will make them resolve, and that risk lands on the supplier who provided the claim.
Practical. Buyers have got better at asking. The generic sustainability page no longer survives a first supplier assessment, and sourcing teams increasingly arrive with a scorecard rather than a conversation.
The uncomfortable consequence for manufacturers is that vague claims are now worse than modest ones. A factory that says “approximately 41% of operational energy from solar, HIGG and RCS certified, chain of custody documented” gives a buyer something they can enter into a system. A factory that says “committed to a greener future” gives them nothing, and increasingly that reads as evasion rather than modesty.
FAQs
- What environmental certifications does Foot On Shoes hold?
SEDEX/SMETA, SA8000, ISO 9001, HIGG and RCS, along with REACH compliance for chemical substance restrictions. - What proportion of Foot On Shoes’ energy is renewable?
Approximately 41% of operational energy comes from on-site solar generation. This is a share of operational energy and does not include freight or upstream material production. - Does Foot On Shoes operate its own tannery?
No. Leather is purchased from suppliers, and tannery environmental practice is managed through supplier selection and material certification rather than direct operation. Any footwear assembler claiming full control of tannery effluent while buying finished leather should be asked to explain how. - What is RCS certification and why does it matter?
The Recycled Claim Standard provides chain-of-custody verification for recycled material content. It is what allows a brand to make a verified recycled-content claim on a product, rather than an unsupported one. - How can a buyer verify a factory’s certifications?
Request the certificates directly and check three things: the site address matches the facility producing your order, the scope covers the relevant processes, and the dates are current. Group certifications held by a parent company do not automatically cover a specific production site. - Is SMETA the same as SA8000?
No. SMETA is an ethical trade audit methodology — a snapshot assessment against labour, health and safety, environmental and business ethics criteria. SA8000 is a certification against a social accountability standard with ongoing surveillance. Foot On Shoes holds both.
Written by Sumit Joshan, Managing Director, Foot On Shoes. Foot On Shoes has manufactured women’s leather footwear in Agra, India since 1981, producing 1,800–2,000 pairs a day for brands and retailers across the UK, EU, USA and Japan.
More on certifications and manufacturing practice on our footwear manufacturing page. To discuss an order, contact solutions@fos.co.in or +91-9719-001-004.
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