Free Shipping on all orders! 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. Don't let a little snow get in your way of being the minimalist that you are. The Lontra from Vibram FiveFingers will keep you warm and on the trail through the entire winter. Built specifically to promote a barefoot-like experience. Ideal for running and trekking. Laminated stretch mesh and water resistant membrane uppers with fully taped seams for added insulation. Upper envelopes the foot with a neoprene cuff and hook and loop closure to keep the snow and debris out. Micro-pile fleece liner is soft against the skin while helping to wick away perspiration. Reflective hits for added visibility. 4mm EVA midsole provides insulation from frozen surfaces. Vibram TC-1 Performance rubber provides exceptional underfoot feel without compromising abrasion resistance. Measurements: ; Weight: 6 oz ; Product measurements were taken using size 38 (US Women's 7), width B - Medium. Please note that measurements may vary by size.