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Mammut

<p>An ultralight shell with a sleek and scully shape. It uses expanded polypropylene and robust hard shell for cushioning and protection from loose rock or ice chunks your partner kicked off. It offers lots of ventilation for days when the sun is beaming and has a minimalist adjustment system so you can add a light layer underneath when the wind is howling.</p><ul><li>Made of expanded polypropylene for lightweight energy absorption</li><li>Partial hard shell adds impact protection and durability in key areas</li><li>Large ventilation openings for head discharge and air circulation to help you keep a cool head</li><li>Padded interior adds comfort</li><li>Lightweight adjustment system reduces weight and provides a secure fit</li><li>2 clips and rear elastic for attaching a headlamp</li></ul>

Mammut Wall Rider Helmet - Unisex

52-57cm

56-61cm

Microshell helmets are made of a thin polymer sheet over a foam liner; Hardshell helmets have a hard polymer outer shell and a foam liner; when the liner is being bonded to the outer shell during the manufacturing process, it is Molded in the shell.

The internal circumference determines the size head that the helmet will fit.

Most helmets are tested and certified for a specific sport. Some helmets are approved for multi-sports, but only after passing the safety tests for both sports (i.e., snowsports and cycling). 

Cetification is established by a variety of governing bodies who set impact standards. Most helmets are certified or approved for a specific sport, except in the case of multi-sport helmets (i.e., a snowsports helmet might also be approved for cycling if it meets the cycling safety standards). 

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Mammut Wall Rider Helmet - Unisex

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