ASICS Little Kid/Big Kid GT-2150 Running Shoe 100% Synthetic and mesh Rubber sole Impact Guidance System employs linked componentry that enhances the foot's natural gait from heel strike to toe-off ComforDry Sockliner provides cushioning performance and anti-microbial properties for a cooler, drier, healthier environment Solyte Midsole Material is a lighter weight midsole compound that ASICS' standard EVA and SpEVA DuoMax Support System, enhances support and stability, positioned sport specifically