Featuring a seamless PERFA dual-layer mesh liner for added warmth without compromising breathability

The cylindrical lens shape keeps the profile low

Silicone on the inside of your strap means it doesn’t move or ride up the back of your helmet

Extra ski features include a helmet-compatible hood

Swix Racing Diamond Stone - 100 mm (Coarse) 2022/2023 Featuring a seamless PERFA dual-layerThe Swix Racing Diamond Stone 100 mm Coarse is a 200 grit tuning stone designed for beveling and edge tuning on alpine skis and snowboards. Its larger grinding surface helps support efficient, controlled edge work, making it a useful accessory for maintaining sharp, precise edges during regular ski or snowboard tuning.