It fits USA 5-9 UK 4-7 EU 36-40 Product Content 78% Cotton / Coton / Algodón / Pamuk / Algodão / Baumwolle 21% Polyamide / Poliammide / Polyamid 1% Elastane / Elasthanne / Elastan / Elastano Product Maintenance & Washing Instructions • It should be washed with similar color clothes. • The care instructions on the product label must be followed before washing the product. • Wash inside out. Quality •Easliy Non-Sliding 1/1 Rip Elasthan Rubber Twisted Structure •Uniquie Design High Quality Material •Handlinked Toe •Reinforced Toe •Soft and Comfortable •Long Stable Yarn and Twisted Elasthan •Reinforced Heel •Y Heel Ergonomic Structure