S1 Helmets makes high quality skateboard helmets and skateboard protective gear. S1 has been innovating gear for skateboarding since 1998 and has become the leader in creating the best skate helmets and skateboard safety gear on the market. Trusted by some of the best and most iconic skateboarders in the world, the S1 Lifer Helmet is the safest, best fitting and highest quality skate helmet available.