FiveFingers are designed around the foot's measurement in inches. There is no real 100% translation between your US size and FiveFingers size. In order to find the right size, please measure both feet from heel to tip of longest toe with a ruler in inches. Take the longest measurement for your longest foot and refer to our . Please click for a video about how Vibram shoes should fit. With an aggressive multisport design, the Vibram FiveFingers Komodo Sport is able to accommodate the high-energy modern athlete. Stretch nylon and polyamide upper secured by hook-and-loop closures at the heel and instep. A stitch-free and completely seamless 3mm footbed reduces friction for added comfort. A supportive EVA arch follows the contours of the foot and reduces weight. 4mm Vibram TC-1 performance rubber outsole offers excellent grip and protection without compromising ground feel. Machine wash, air dry away from the sun or any heat source. Imported. Measurements: ; Weight: 7 oz ; Product measurements were taken using size 45 (US Men's 12-12.5), width D - Medium. Please note that measurements may vary by size.