Vibram FiveFingers footwear is designed around the foots measurement in inches. There is no real 100 percent 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 of your longest foot and refer to the Vibram FiveFingers mens or womens size chart to find your shoe size. Please click for a video about how Vibram shoes should fit. View the Vibram FiveFingers for your shoe size. View the Vibram FiveFingers for your shoe size. Looking to be closer to nature? Get the minimal feel you crave by slipping into the KSO EVO from Vibram FiveFinger. Built to provide the best ground feedback. Polyester mesh and textile upper materials. Bungee speed lacing system allows for easy on and off, and a snug fit. Soft lining offers a great next-to-skin feel. Lightly padded, 2 mm EVA insole features antimicrobial properties for a fresher in-shoe fee. Max Outsole Thickness: 4.7 mm Vibram outsole delivers reliable traction over a variety of surfaces. Imported. Measurements: Weight: 4 oz Product measurements were taken using size 38 (US Mens 6.5-7), width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.