S1 Lifer Helmet Size:L (21") Dimensions: 2

Dimensions: 2

less wobble

*All Bones Bearings are Skate Rated to withstand the destructive forces created by high performance skating

Truck Height: 2 7/8"

4-way stretchable nylon mesh to provide a snug fit

S1 Lifer Helmet Size:L (21") Dimensions: 2S1 Lifer Certified Skate Bike Helmet Specs: Specially Formulated EPS Fusion Foam Certified Multi Impact ASTM F 1492 15 Safety Compliance Testing for Skateboarding and Roller Skate Helmets Certified High Impact CPSC 16 CFR Part 1203 Safety Compliance Testing for Bicycle & Skate Helmets 5x More Protective Than Non Certified Soft Foam Skate Helmets Deep Fit Design About: The S1 Lifer Helmet is one of the best fitting and safest helmets on the market. All