Fuse Echo 100 Knee/Shin Combo PadsThe Echo 100 pads use a perforated neoprene with a durable Cordura and Duratex outer layer and comfortable air plush inner lining. To protect your knees from impact we use SAS TEC, soft and flexible Visoelastic foam for superior comfort but also extreme impact absorption. The shin section uses a hard plastic shield with a soft dual layer foam backing. This year we also added Sharkskin neoprene on the inside of the pad, acting as a gripper to keep the