FUSE Alpha Classic Knee Pads ( new design)The Fuse Alpha Classic Knee Pad has been fully redesigned from the ground up. Constructed from a breathable, perforated and tougher Duratex neoprene with air plush lining for maximum comfort. The back side of the pad uses a dual layer Lycra design that is soft on the inside but strong and durable on the outside. To protect your knees from impact, we use EVA foam under a nylon hard cap, with additional padding for side impacts. Pad Material Breathable