Rollie Women's Lightweight Derby Lace-up Flat Shoe Leather Synthetic sole Weighs 20g less than flip-flops, making it the perfect lightweight travel shoe No socks needed. Breathable canvas lining keeps your tootsies fresh and cool Our 3rd generation EVA outsole is energy returning, giving your stride a light, fast energy boost with added grip and extra durability Super comfortable insole is removable (great for orthotics!) and a premium cow leather and canvas lining provides great breathability This shoe fits true to size. 35 EU = 4 USA 36 EU = 5 USA 37 EU = 6 USA 38 EU = 7 USA 39 EU = 8 USA 40 EU = 9 USA 41 EU = 10 USA 42 EU = 11 USA 43 EU = 12 USA