Boys Supersoft Socks With Grippers (Pack Of 2) Polyester, Elastane, Supersoft fleece-style socks. Grippers on bottom. One striped design and one plain design per pack. Sizing: US Child 7-9.5 EUR 23-26, US Child 10-13 EUR 27-30, US Child 13.5-4.5 EUR 31-36, US Child 5-7.5 EUR 37-39.5. 97% Polyester 3% Elastane.