4-season undersuit Second layer one of the most vulnerable

one of the most vulnerable areas during high-impact sports activities

The blend of merino wool and carbon fibers ensures excellent thermal regulation

The ergonomic design with flattened seams eliminates bulk

Designed to fit your active lifestyle

4-season undersuit Second layer one of the most vulnerableCOMPLETE UNDERSUIT The integral undersuit is the sports underwear a biker who wears leather suits must absolutely wear. Skin always free from moisture and total freedom of movement turn this garment into a leading product in the market. There is no other technical garment that guarantees this degree of comfort and efficiency against accumulated perspiration, thanks to the SIXS original carbon underwear technology. Code: STX