Material: 80% Combed Cotton,15% Polyester and 5% Spandex, Healthy Cotton Knit, Very Soft & Fine.These Kids bow knee high socks is made with high-grade cotton so that they are very soft, skin-friendly, and breathable. The elastic design makes sure kids feet have enough room to breathe and grow. FASHION DESIGN: Slightly ruffled tube socks with cute ribbon bow-knots. Cute British uniform socks for cute babies! Toddlers high ruffled bow stockings keep your baby warm and chic! PERFECT FIT: The stitching of the cute bow socks is flat due to seamless design which is friendly to your babys sensitive feet. The knitting is very fine and that makes sure that the long socks is wash well and durable. Y heel design make sure fit well, stay-up top keeps socks from slipping off legs for lasting all day wear. Stretchable elastic to perfectly fit despite the size and shape of feet. Four SIZE:S sock sole length 9-11CM3 months to 12 monthsM sock sole length 11-13CM12 months to 24 monthsL sock sole length 13-15cm, recommended for 3-5 years oldXL sock sole length 15-17 cm, recommended for ages 5-7