- 85% Acrylic, 13% Polyester, 2% Elastane- PREMIUM KIDS SOCKS - Our children's winter hiking socks are crafted from natural Acrylic, offering a premium blend of softness, comfort, breathability, and excellent elasticity. They are designed to stay in shape even after prolonged use, ensuring a comfortable and long-lasting wear.- SOFT COZY DAILY SOCKS - Our kids' crew socks are lightweight, comfortable, and feature a soft fuzzy inner lining that keeps feet cozy. The high elastic fabric and elastic sock mouth design provide a comfortable fit without gripping too tightly. These thermal socks are perfect for relaxing and keeping little feet warm in the cold winter.- SIZE & COLOR - Our kids' warm hiking socks come in 2 sizes: 4-7 years and 8-12 years. The fashionable color options make them a favorite among little hikers. They are suitable for hiking, skiing, running, playing outdoors, and other activities.- FIT MANY OCCASIONS - These multi-purpose and practical socks can be worn both indoors and outdoors, making them suitable for various occasions such as school, sports, camping, and traveling. They are perfect for everyday wear and can be paired with a variety of outfits, whether your kids are wearing sneakers, shoes, or boots, these socks will complement their casual and sporty look.