The softness of a pair of socks, & practical like a pair of slippers: they are pure comfort for boys’ feet… & they even feature a fun shark! MATERIAL CONTENT Uppers: knitted textile (49% cotton, 26% polyester, 23% polyamide, 2% elastane), interior in terrycloth Sole: in phthalate-free PVC PLUS POINTS Soft, lightweight knit for greater comfort Easy to slip on Non-slip sole, phthalate-free guaranteed MORE INFORMATION: These slipper socks are machine washable on a cold cycle