ASICS Women's Gel-Netburner Ballistic Volleyball Shoe 100% Synthetic Imported Rubber sole Shaft measures approximately Low-Top" from arch Nc rubber outsole Rearfoot and forefoot gel cushioning systems: attenuates shock during impact and toe-off phases, and allows movement on multiple planes as the foot transitions through the gait cycle Fluid ride: fluid ride provides the ultimate combination of bounce back and cushioning properties with reduced weight and exceptional durability Trusstic system: reduces the weight of the sole unit while retaining the structural integrity of the shoe