The Alpha shin pad uses a perforated neoprene with air plush lining together with super stretchable neoprene straps. To protect your shins from pedal bites and other impacts we use a Nylon hard shield with Eva foam backing and a super durable Cordura front material. Features Breathable perforated neoprene and Duratex with air plush lining, super stretch perforated neoprene straps