ASICS Little Kid/Big Kid GEL-Nimbus 11 GS Training Shoe 100% Synthetic leather and synthetic fiber Rubber sole ASICS forefoot and rearfoot GEL Cushioning System strategically placed at high impact areas in the forefoot and rearfoot for shock absorption Trusstic System links the rearfoot and forefoot and shores the midfoot AHAR heel plug helps enhance durability at initial impact Airmesh upper keeps the foot cooler and drier