This item is manufactured with top-class material for durable and comfortable wearing. They are super comfortable with turn cuff design, not tighten your kids feet and also not easily fall. They are designed well with non-slip bottom, which ensures your babys safety especially when they are learning to walk. Features - Color: Royal blue. - Material: Combed cotton. - S: 10-12cm(Foot Length); 0-1 years old(Recommended Age). - M: 12-14cm(Foot Length); 1-3 years old(Recommended Age). - L: 14-16cm(Foot Length); 4-6 years old(Recommended Age). - Super breathable and soft. Antibacterial, s weat-absorbing and non-slip. - Good elasticity which won't tighten legs and feet too hard without falling and any uncomfort. - Help your baby in safety especially when they are learning to walk. - Perfect to wear in spring and autumn.