Features: Adopting boneless technology to reduce friction between the sock mouth and children's skin, avoiding discomfort caused by prolonged wearing. Suitable for daily activities and long-term wear, providing children with a comfortable experience. With excellent elasticity and softness, high elasticity fit, and is not easy to slip off. Breathable, effectively absorbs sweat, keeps feet dry, very suitable for outdoor activities in spring and autumn season. Provide multiple color option to meet different clothing matching needs and enhancing the overall dressing effect. Suitable for various occasions, whether it's school, traveling, or family gatherings, it can be easily handled. Specifications: Fabric: cotton Craft: Boneless sewing technology reduces friction and improves wear comfort. Parameters: Elastic design, suitable for a variety of leg shapes, providing good wrapping and support. Size: S for 0-1 year , M for 1-3 year , L for 3-5 year , XL for 5-8 year Color: black, white, gray, wine red optional, classical design, suitable for matching with various clothing. Practicality: Suitable for spring and autumn, it can be warm and comfortable during daily activities, outdoor play or school wear. Package Includes: 3 Pair Children's Boneless Socks note: Due to differences in height, they can use as middle tube socks or long tube socks. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.