The VERTEX VENT helmet is very comfortable, thanks to its six-point textile suspension and CENTERFIT and FLIP&FIT systems, which guarantee that the helmet fits securely on the head. The adjustable-strength chinstrap makes it ideal for both work at height and on the ground. It has ventilation holes with sliding shutters to allow airflow through the helmet. With its potential for integration of a Petzl headlamp, hearing protection, and multiple accessories, it is an entirely modular helmet, thus responding to the specific additional

Certification (s): CE, EN 397, EN 12492, ANSI Z89.1 Type I Class C, EAC. Weight: 490 g. Headband: 53-63 cm. Comfortable ventilated helmet.

Item Weight: 600 Grams. League: valentines day. Color: Blue. Style: Modern. Size: One Size. Brand: Petzl. Date First Available: February 3, 2019. Best Sellers Rank: #19,502 in Sports & Outdoors. Customer Reviews: 4.7 out of 5 stars 110 ratings 4.7 out of 5 stars. : B07NCMFYQM. Size: ?One Size. Style: ?Modern. Model Year: ?2019. Part Number: ?H43495. Manufacturer: ?Petzl. Color: ?Blue. Brand Name: ?Petzl. Item Weight: ?600 Grams. Item Dimensions LxWxH: ?11.02 x 8.66 x 6.69 inches. Package Weight: ?0.63 Kilograms. Item Package Dimensions L x W x H: ?10.87 x 8.66 x 6.22 inches.