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<p>Climbers, come out of your shells. By borrowing the plastic used to reinforce car bumpers, Petzl® ditched the usual outer layer to bring you a UIAA-certified helmet for about half the weight of your average lid. Unlike the crunchy foam inside most hard shells, the Sirocco’s expanded polypropylene is durable and flexible, which maintains good impact absorption through repeated impacts.</p><ul><li>Made of expanded polypropylene and expanded polystyrene, which has a high rate of energy absorption, and does not support microbial growth (to reduce odours)</li><li>Shell has excellent ventilation and has a head-covering shape that is lower in the rear</li><li>Comfort foam is quilted, lined with absorbent fabric, and removable for washing</li><li>Lightweight polyester adjustment system further reduces weight</li><li>Magnetic buckle allows chinstrap to be attached with 1 hand</li><li>2 lateral holes for attaching a Vizion visor</li><li>2 hooks and rear elastic for attaching a headlamp</li></ul>

Petzl Sirocco Helmet - Unisex

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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). 

Members get this item for only $35.99 when they use the code MEM2005. Hurry while supplies last.

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Petzl Sirocco Helmet - Unisex

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