Lazer Blade+ Bike Helmet Style and class ooze from the Blade+ helmet, combining great looks with high-end performance. This is the helmet you'll be wearing on your weekend rides and your daily commute. The slim shape combined with the Advanced Rollsys retention system ensures a great fit and a wide range of adjustability. There are 22 vents to keep you cool, while the weight is kept low to ensure you can skim down the road in comfort. The Blade+ features a sub-shell for a sleek finish and added impact protection. Specifications: Color: Matte Black Gender: Unisex Outer Material: Plastic Lining Material: EPS Dimensions: 23.9 x 33.8 x 18.2 cm (L x W x H) Head Circumference: 55-59 cm Weight: 570 grams Vents: 22