Take control behind the plate. Designed for catchers to maximize comfort as they’re calling the perfect game, EvoShield Catcher’s Knee Blocks feature premium materials that contour to your body. Easily adjust your support and change your ride height with our foam wedge inserts. The EvoShield Catcher’s Knee Blocks are compatible with all leg guards and constructed for easy on and easy off between innings so you won’t get caught racing to gear up before taking the field.