GoBabyGo non-slip socks in bamboo cotton with rubber pads under the feet and on the toes, makes sure that your child does not slip on smooth surfaces when learning to crawl and walk. Bamboo cotton is very soft and excellent for sensitive baby skin. Bamboo fabric feels cool in Summer, warm in Winter and is naturally antibacterial. Bamboo Fiber is 100% biodegradable, grows organically without using any pesticides or fertilizers and naturally cuts out 97,5% of harmful UV rays. This product is certified according to Oeko-Tex Standard 100 Product Information Material: 70% Bamboo Fiber, 27% Polyamide, 3% Elastane