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Do not dry clean or use solvents to remove stains

Max. ironing temperature (110° C) Take care when steam ironing

Do not iron on prints and decorative elements

Machine wash on normal cycle (max. 30° C)

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 Men

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.

Fair Wear

Silence (9c) explained in five steps. What are you waiting for? 

The route

Unlike Norwegian rock, organic cotton is soft and supple on the skin. 

The fabric

The squirrel and bee are an important source of inspiration for Adam.

The animals

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Hero PDP men collage

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Hero PDP Adam T-shirt men

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Main Image Adam Ondra Collection

AO PLP (1)

Adam Ondra Men T-Shirt

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Details

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