With the Crag Sender Helmet, Mammut proves that good protection doesn't have to be bulky: The climbing helmet has a flat profile and is super light. The outer shell is reinforced with Kevlar in particularly sensitive areas. This ensures high protection. In addition, the shape of the good ventilation helmet covers a large part of the head. With the Mammut Crag Sender Helmet, you get reliable and light head protection in one.