Icebug Men's Zeal OLX Studded Traction Running Shoe 100% Nylon Textile/Polyurethane Imported Rubber sole Lightweight running shoe featuring logoed nylon upper with lace-up vamp and padded collar Half-lined with quick-dry mesh Dual-density lightweight midsole for cushioning Midsole wraps up side for added protection Rubber outsole with OLX system of 16 studs for enhanced traction Icebug shoes run approximately 1/2 shoe size small.