ASICS Men's GEL Cumulus 17 Running Shoe 100% Synthetic Rubber sole Shaft measures approximately 3.5" from arch Lace-up running shoe featuring breathable mesh upper with high-gloss overlays FluidRide bounce-back cushioning Full-length GEL cushioning Gait-enhancing Guidance Trusstic System Guidance Line vertical flex grooves AHAR+ high-abrasion outsole