ASICS Little Kid/Big Kid GEL-Nimbus 12 GS Running Shoe 100% Synthetic mesh and leather Rubber sole Rearfoot and Forefoot GEL Cushioning Systems: Attenuates shock during impact and toe-off phases, and allows movement in multiple planes as the foot transitions through the gait cycle. Trusstic System: Reduces the weight of the sole unit while retaining the structural integrity of the shoe. AHAR: Acronym for ASICS High Abrasion Rubber. Placed in critical areas of the outsole for exceptional durability. Reinforced Stitched Toe Cap: Long lasting durability that holds up to long hours on the playground. Airmesh Upper: Keeps the foot cooler and drier.