flat seams sit smooth against your skin to minimize chafing and irritation during extended saddle time

- Ballistic nylon with industrial-weight stitching ensures durability

A secure fit enhances comfort and allows you to focus on your ride without distraction

customized fit

S1 Lifer Helmet - Black Matte/Checkers AltGear LLC. flat seams sit smooth againstThe S1 Lifer Helmet is one of the best fitting and safest helmets on the market. All S1 Lifer Helmets are manufactured with 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 dual certified helmet and is up to 5x more protective than the soft foam non certified helmets. Whether you're riding your bike down the street or rolling at a local skatepark