Petzl Sirocco Helmet Size:Medium/Large straight-shouldered semi-buttress threads keep the

straight-shouldered semi-buttress threads keep the bottle sealed tight

on-the-go repairs

Ultralight and secure pot grip

Carbon blade construction offers the lightest swing weight option

Petzl Sirocco Helmet Size:Medium/Large straight-shouldered semi-buttress threads keep theUltra lightweight helmet for climbing and mountaineering Overview Remarkably lightweight for ambitious climbers and mountaineers. The SIROCCO helmet was designed to give you an exceptional weight to protection ratio (170 g). Lower in the back, the design provides greater coverage and offers enhanced protection over the entire head. Its low profile and superior ventilation give you all day comfort. Weight: 160g 170g Features Ultra lightweight design: