S1 Lifer Helmet Slate Blue Matte

S1 Lifer Helmet Slate Blue Matte The S1 Lifer Helmet is one of the best fitting and safest helmets for skateboarding, longboarding, BMX and roller derby. The Lifer Helmet uses a specially formulated EPS Fusion Foam which allows it to protect your head from multiple low force impacts as well as high impacts. The Lifer Helmet is a Certified "multi-impact" helmet and up to 5x more protective than the soft foam non-certified helmets. The Lifer helmet is a break through design combining the added safety of a CPSC and ASTM certified helmet with the comfort and fit of a non certified helmet. The S1 Lifer Helmet is the best fitting High Impact and Multiple Impact helmet on the market. Sizing: The S1 Lifer helmet fits 20.5" - 23.5". You can adjust the sizing of each shell by using thicker or thinner sizing liners. The sizing liners are colour coded by thickness. 20.5" - X-SMALL 21" - SMALL 21.5" - MEDIUM 22" - LARGE 22.5" - X-LARGE 23" - 2X-LARGE 23.5" - 3X-LARGE