Due to high demand, RST has expanded their S-1 Collection, with a new Jacket and Pants built from the S-1 leather. They have used the same high-quality leather in all Zone 1 areas but added K300 mesh to enable summer riding, providing expectational airflow across the body. Additionally, the S-1 Mesh Pants offers enhanced levels of protection fitted with knee sliders. Armor: CE Certification Rating: AA. Hip: Level 1. Knee: Level 1. Construction: Outer 1: Full-grain leather. Outer 2: K300 mesh. Fixed mesh lining. Features and Benefits: Bonded nylon thread triple stitched. One (1x) outer zip pockets. Waist adjuster. Knee sliders. 360° connection zip. Fit Profile: Road.