Bowtex Sas-Tec B47 Tripleflex Back Protector The Bowtex Sas-Tec B47 Tripleflex Back Protector utilizes advanced viscoelastic foam to offer robust impact protection, seamlessly combining comfort and safety. It's designed to stay soft and flexible, ensuring a comfortable ride without compromising on protection. Features: Sas-Tec viscoelastic foam technology Certified to CE level 1 standards Impact efficient and returns to original shape Lightweight and flexible construction Anatomically contoured design