ASICS Gel Cumulus 13 GS Running Shoe (Little Kid/Big Kid) 100% Synthetic and mesh Rubber sole Extra comfort and flexibility in a running shoe specially built for kids' feet Synthetic/mesh upper for comfort and breathability Rearfoot GEL&#174; Cushioning System Trusstic System&#174; keeps the shoe light for better mobility AHAR&#174; (Asics High Abrasion Rubber) outsole for durability