Apparel (Fast Fashion)

Gymshark sustainability score: 25/100

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About Gymshark

Gymshark is a UK-based apparel brand founded in 2012, specialising in athletic and gym wear. It operates a global supply chain spanning China, Bangladesh, Turkey, and Sri Lanka, with £556M in revenue (FY2023).

More about Gymshark

It positions itself as performance-focused and sustainability-aware, using synthetic fibres, recycled materials, and dope-dyeing technologies.

Founded 2012Head office Solihull, United KingdomStaff ~841Revenue ~£556M (~$700M)Website ↗

Our verdict

Gymshark calculates but won't disclose its carbon footprint. It has SBTi targets and a sustainability website, yet publishes no emissions data, no progress reports, and no annual sustainability disclosure. Core weakness: systematic non-transparency on climate performance despite public commitments.

Gymshark scores 25/100 (Significant gaps) on SINK's independent climate assessment, scored from public data only. Scores are free. Companies can never pay for anything about their own score. Last verified May 2026.

That places Gymshark joint 808th of 934 companies scored, and 12th of 18 in Apparel (Fast Fashion).

The ten questions

What is Gymshark doing well, and where does it fall short?

Strongest on Controversies & Red Flags and Resource Use & Waste (6/10, 4/10). Weakest on Emissions Trajectory and Carbon Footprint: Operations (1/10, 2/10).

What's missing

Where Gymshark lost points

For each question that lost points, the evidence our public rubric looks for that we didn't find.

  • Emissions from its own operations2/10No emissions figures for its own operations, not even an estimate from energy bills.
  • Emissions from its supply chain2/10No assessment of where its supply-chain emissions come from.
  • Whether its emissions are falling1/10No evidence its emissions are falling, not even from energy bills or mileage.
  • How clean its energy is2/10No renewable energy tariff or major efficiency investment shown.
  • Its effect on nature2/10No assessment of its effect on nature, and no basic environmental policy.
  • How it uses materials and handles waste4/10No measurable waste or recycling targets reported publicly.
  • Its effect on water3/10No monitoring of water use, or no measures to reduce it.
  • Its climate targets4/10Its targets aren't science-based or committed to the Science Based Targets initiative.
  • How openly it reports3/10No published sustainability data, or no one named as responsible for it.
  • Its record on controversies6/10Points deducted for controversies or its business model. The finding is under question 10.

A score changes when the evidence does. We use new published evidence at the next rescore. Anyone can send us new evidence, free. How to send it.

The calculation

How is Gymshark's SINK score calculated?

Same ten questions for every company. No private weighting.

SINK = (0.3 × Base + 0.7 × Performance) × Scale
Industry base impact
Apparel (Fast Fashion) sector ceiling.
15 / 100
Performance score
Sum of the ten questions, each scored 0 to 10.
29 / 100
Raw score
Weighted average before scale penalty.
(0.3 × 15) + (0.7 × 29) = 24.8
Scale penalty
Multiplier based on total emissions. Bigger polluters lose more.
× 1
Final score
Rounded. Significant gaps.
25 / 100
Where the evidence comes from

What evidence is Gymshark's score based on?

8 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.

38% of them were published by Gymshark itself; the rest come from independent sources.

Scored on 11 April 2026 under an earlier version of our method. We're re-checking it under the current method.

[1]Self-reported
Sustainability Hub: Our Impact
Ongoing
Q1Q2
View →
[2]Independent source
DitchCarbon: Gymshark
Ongoing
Q1Q2Q3Q8
View →
[3]Independent source
The Commons: Gymshark Brand Rating
2025
Q1Q2Q4Q6Q9
View →
[4]Independent source
Good On You: Gymshark
2025
Q3Q7Q8Q9
View →
[5]Self-reported
Sustainability Hub: Our Environment
Ongoing
Q4Q5Q6Q9
View →
[6]Self-reported
Sustainability Hub: Wear More, Waste Less — Circularity
Ongoing
Q5Q6Q7
View →
[7]Public record
Sana Blogs: Is Gymshark Sustainable?
Unknown
Q5
View →
[8]Public record
Eco-Stylist: The Higg Index — True Sustainability or Greenwashing?
Unknown
Q10
View →

If you believe a source has been misread or a newer version exists, submit a challenge.

For Gymshark

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    Gymshark: SINK sustainability score 25/100.

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Gymshark in context

How does Gymshark compare with other apparel (fast fashion) companies?

Where Gymshark sits among apparel (fast fashion) peers.

Among the 18 major apparel (fast fashion) brands we've scored, Gymshark sits 12th of 18.

12/18
Gymshark's rank
26
Industry average
8
Industry low
44
Industry high
See all 18 in Apparel (Fast Fashion) →
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