DianSen Children's Unisex Couple Casual Fashion Sneakers Breathable Athletic FlyKnit Shoes (US13/EU31, BLack) Fabric Synthetic sole Important offer: Purchase Please refer to the size table details information(Adult shoesEU38-EU45), because this is the size of China Lace-up closure with soft-toe for easy on, EU38-EU45 They are adult shoes Breathable knit fabric/microfiber upper vamp Flexible and lightweight EVA Sole for Comfortable Walking. Slip-on style for easily on/off. Lightweight design which is just around 300g per pairs. It's designed for running shoes,walking shoes,or casual loafers.