It is the sleeveless version of the most sophisticated and stone guard "safety jacket" of the catalog. The front zipper allows you to wear it as a jacket. The protection cord is contained in a housing fixed to the shoulders, detached from the fabric of the back and locked by an abdominal belt adjustable. Of course, the fabric is the most robust version of the "SIXS patented carbon sportswear." The backbone protection at the highest level for winter sports, will always remain in place even during the most diabolical figures freestyle and snowboarding.