78% cotton ,19% polyamide, 3% elastane.GREAT MATERIAL: 78% combed cotton 19% polyamide 3% elastane, without formaldehyde for these toddler warm socks.COMFORT AND SOFT: With thick and soft cotton blend, these baby winter socks are warm and gentle on baby's feet.SEAMLESS AND STRETCHABLE: These baby girl socks and baby boy socks are made seamless and stretchable to fit a wide range of age.UNIQUE DESIGN: The lovely cartoon pattern or 3D ears design make these toddler winter socks come with a fashionable cute look and match so many outfits well.BREATHE FREELY: These kids socks are absorb sweat, comfortable for both toddlers and kids.