Sweethearts Activewear

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Sweethearts Activewear Sustainability Actions

Science-based climate targets

Gymshark says it has set science-based targets, which are climate goals checked against a method used by the Science Based Targets initiative (SBTi), to cut emissions from its supply chain by 54% per unit sold and from its own operations by 40% by 2030. It says it is working toward this through material choices, supplier work, and changes in manufacturing and transport.

More recycled and traceable materials

Gymshark says that in FY24, 80% of its polyester came from recycled sources. It also says cotton made up nearly 40% of the fibres it bought, and it worked with Oritain to improve cotton traceability back to the farm level. This means it is trying to track where the cotton comes from, rather than relying on broad supplier claims.

Lower-waste product design

Gymshark says its Seamless technology, used in collections like Vital, creates about one third of the fabric waste of traditional cut-and-sew methods. It also says it designs products to last longer and is exploring circular business models, which are ways of keeping products in use for longer through reuse, repair, or recycling.

Renewable power and freight shifts

Gymshark says its Solihull campus ran on 100% renewable electricity in FY24. It also says it is reducing air freight and moving more shipments to sea freight, which now makes up 83% of shipments. These changes are meant to lower transport emissions, since air freight usually creates more pollution than sea freight.

Supply-chain audits and worker rules

Gymshark says it is a member of the Fair Labour Association (FLA), a group that works on worker rights in global supply chains. It also says all suppliers must follow its Code of Conduct, which covers safe conditions, fair wages, and bans on forced or child labour. Between November 2023 and March 2025, it says it completed 174 Shared Fitness audits across its supply chain.

Waste diversion and reuse

Gymshark says it launched a North America pilot in FY24 that kept 266,000 lbs of product from going to waste. It says 59% was donated to charities and 41% was recycled. It also says unsold samples from an employee sale were shredded and reused as filling for boxing bags for local clubs, which is a simple example of material reuse.

Charitable giving and volunteering

Gymshark says it donated £80,526 to charities in FY24 and has given more than £500,000 to Birmingham Women’s and Children’s Hospital since 2020. It also says staff can use paid time to volunteer for causes they care about. This shows a social impact focus alongside its environmental work.

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