Outside: 600D polyester and reinforced seat with Cordura 500D. Reinforcements in the knee area for increased resistance to abrasion and heat; Kevlar Armortex left knee, right knee Schoeller Kevlar and vulcanized rubber. Lining: polyester mesh lining to knee for perfect ventilation. Protections: foam inserts in the front of the knee. Designed to fit the ultilizzo orthopedic knee brace. There is the presence of rubber patches in the knee area to give greater protection to the head. Closure: Zipper extremely light but durable. Top panel with clip closure and button. Presence of double adjustment to the sides with webbing and Velcro. Adaptability: Cutting curved to follow the position of the pilot. Inserts in stretch material in the seating area, above the knee, calf and back. Details: Prints subliminate, perforated fabric inserts to increase ventilation.