The Opanka Sandal is for barefoot wanderers. A cross-strap sandal with a barely-there sole, made from premium leather.   Women's Sizing CM EU UK USA 21.9 35 2.5 4.5 22.6 36 3 5 23.3 37 4 6 23.9 38 5 7 24.6 39 6 8 25.2 40 7 9 25.9 41 8 10 26.6 42 8.5 10.5 27.2 43 9 11 Product Info MINIMALIST OUTSOLE Maximum underfoot sensory feedback. NO INSOLE No insole, bringing you even closer to the ground for the full barefoot experience. LEATHER FOOTBED Take your socks off and enjoy the feeling. WEIGHT Based on a single shoe in Women's size: EU 38 | UK 5 | US 7.5 171g Size and Fit This Vivo fits true to size.    Materials & Transparency UPPER Vamp, Quarter, Tongue, Collar, Eyestay (100% Metal Free Leather) Lining Collar and Tongue Lining (100% Metal Free Leather) Laces 100% Organic Cotton Outsole 30% Natural Rubber, 70% Synthetic Rubber MADE IN PORTUGAL   Style #: 203225-01 / 203225-02