The Mammut Crag Sender Rock Climbing Helmet is an extremely light and highly ventilated climbing helmet offering top-class protection. With a lightweight outer shell and protective EPS foam. A Kevlar reinforcement provides support at critical areas. Additional protection on the front, back and sides Extensive Mammut safety test checks the helmet's robustness in particular after a lateral impact In-mold construction with EPS core and Kevlar reinforcements Large ventilation openings and integrated air channel Additional cushioning for a perfect fit Easy attachment of a headlamp thanks to a holder at the front and elasticated loops on the back Fully adjustable chin strap for an optimum fit Including a bag for handy transport Aerial wheel adjustment system Warranty period 24 months or in the event of commercial or professional use to 12 months