ASICS Gel-Noosa Tri 11 GS Running Shoe (Little Kid/Big Kid) 100% Synthetic Imported Rubber sole Rearfoot gel cushioning system: attenuates shock during impact phase and allows for a smooth transition to midstance. Trusstic system: reduces the weight of the sole unit while retaining the structural integrity of the shoe. Removable sockliner: a sockliner which can be removed to accommodate a medical orthotic. Seamless construction Reinforced stitched toe cap