Ultra-lightweight climbing and mountaineering helmet Petzl Sirocco with reinforced protection. The Sirocco is designed to respond to the needs of climbers and mountaineers for reduced weight and for protection. Its head-covering shape, lower in the rear, offers reinforced protection. Optimized volume on the head, along with excellent ventilation, provide maximum comfort. 

* Monobloc shell of expanded polypropylene (EPP) and textile adjustment system for an ultra-lightweight product
* Excellent ventilation distributed around the shell
* Entirely adjustable and adapts to all head shapes 
* Removable comfort foam is quilted and lined with absorbent fabric; washable
 * Magnetic buckle allows the chinstrap to be attached with one hand (Petzl patent)
* Two lateral holes for VIZION visor
* Two hooks and rear elastic for attaching a headlamp

Size S/M 
* Head circumference: 48 - 56 cm 
* Weight: 160 g 

Certifications: CE EN 12492, UIAA 

Material: shell made of expanded polypropylene (EPP), straps made of polyester.