The Grivel Duetto Helmet is extremely lightweight, in fact, its so lightweight most of the time you wont even know you have it on. It has lots of ventulation points making it great for climbing in the sun or putting in 100% effort in on an alpine pitch. A great thing about the Duetto Helmet is it has a double certification meaning it can be used for climbing in the mountians as well as rock climbing. The Duetto Helmet is well suite for rock climbing, ice climbing, ski touring, mountaineering and SKIMO, a great do it all helmet.
Certification- CE EN 12492, CE EN 1077/B, UIAA 106
Size adjustment- 53-61 cm