The New Vibram FiveFingers Signa (Black/Yellow) Women's Shoes, female, Shoes , Athletic , General Athletic, 39 (US Women's 7) B - Medium, true, Vibram FiveFingers footwear is 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 of your longest foot and refer to the Vibram FiveFingers men's or women's 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. Adventure on and offshore in the ultimate performance of the Signa from Vibram FiveFingers. A minimalist ultralightweight flexible shoe built for water sports. Polyester mesh and textile upper materials. Hook-and-loop closure allows for easy on and off and a snug fit. Soft lining offers a great next-to-skin feel. Lightly padded insole for light underfoot comfort. Max Outsole Thickness: 3 mm Vibram outsole delivers reliable traction over a variety of surfaces. Split sole design allows for natural plantar flexion enhancing swimming efficiency. Outsole drainage ports promote maximum water shedding. Imported. Measurements: Weight: 3 oz Product measurements were taken using size 36 (US Women's 6) width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item not a pair.