What size do I need? 0-12 Months (Manufacturer size S): For 16-20 EU 1-3 years (manufacturer size m): for 21-24 eu 3-5 years (manufacturer size l): for 25-28 eu Comfortable to the touch Made of cotton rich material, these non-slip children's socks are very fluffy and breathable, facilitates the evacuation of sweating. With a little elastane, knitted socks adapt to the shape of the foot to ensure support. Elastic and wide edges fit well around the ankle, and ensure good hold and stay in place. Non-slip protection. Non-slip baby sock with non-slip surface under the sock, provide your baby with excellent grip and safety while walking. Non-slip socks prevent babies from slipping when they start crawling around the house. With these fabulous non-slip socks, your little one will have fun running around the house and everyday adventures for toddlers. Sympathetic & Eye-Catching Kids non slip socks with colorful fashion colors add fun style to wardrobe and favorite garments. Baby socks with unique designs in a pack of 6 are ideal to combine with other clothes and form an adorable set for baby's first step!