KEVLAR fiber, with which bulletproof vests are made. Provides extra friction protection in the event of a fall, in the hip area and from the front to the knee. Removable silicone knee protectors. Elastic area between the belt and the pockets, on the back of the pants, to facilitate the natural position of the body on the bike.With S-Repel technology – Anti-rain, stain, bacteria and odour. The repellent finish is added to the surface of our jeans so that unwanted liquids just slide off, keeping them clean and dry. The innovative antibacterial technology stops the bacteria responsible for the appearance of odours from developing, so these jeans can be worn more often than usual before washing.