The STR is a 2-piece, ergonomically designed suit made from high quality A+ grade leather. It features a CE internal protector system, including the ArmorPlus back protector. The arm slider is made from coated metal, and the knee sliders are synthetic. The STR features flexible, stretchable inserts in the knee, shoulder and elbow areas, which provide maximum comfort while riding. The jacket is also equipped with a full nylon 360° zipper and a short zipper compatible with other SHIMA trousers.