The perfect laid-back style at home, in the gym or at the crag, our organic cotton tees are so popular among climbers that we’ve collaborated with Adam Ondra to create a unique design, dedicated to an extra special route: Silence (9c).

Mammut x Adam Ondra T-Shirt Women

Grown without synthetic pesticides, herbicides or GMOs, organic cotton promotes good soil management practices, cultivates biodiversity, and supports communities through investments in sustainable agriculture.

Organic cotton

Fair Wear works to ensure fair and safe working conditions in garment factories. The non-profit engages directly with factories, trade unions, NGOs and governments to protect workers’ rights.

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Mammut x Adam Ondra T-Shirt Women

Tribute tee for climbing fans