Icebug Men's DTS2 BUGrip Studded Traction Running Shoe Synthetic-and-mesh Rubber sole 100% Fabric/Synthetic; Rubber sole Lace-up running shoe featuring water-repellant rip-stop nylon upper with quick-dry mesh lining Cushioned midsole for comfort Traction BUGrip outsole with 19 carbide studs Icebug shoes run approximately 1/2 shoe size small