Features: Safe and Soft: cotton, the socks are soft and comfortable, skin friendly and not irritating, especially suitable for the delicate skin of babies aged 0-5 years old. Boneless design: The unique boneless weaving process reduces pressure and provides a better wearing experience for babies, without strangling or causing discomfort. Loose designing: The sock opening is moderately tight, not easy to slip off, convenient to put on and take off, and maintains the relax of the baby's little feet during movement. Suitable for spring and autumn: Moderate thickness, suitable for wearing in spring and autumn, providing warm protections for baby's feet, not too hot and stuffy. Practicality: The middle tube design effectively keeps warm, suitable for wearing in spring and autumn season, and the anti slip bottom design increases safety. Specifications: Fabric: Combed cotton Craft: Fine sewing to ensuring a comfortable fit to the delicate skin of the baby Size:Small, M, L S: for 0-1 years old recommended foot length 9-11cm/3.54-4.33inch M: for 1-3 years old recommended foot length 11-13cm/4.33-5.12inch L: for 3-5 years old recommended foot length 13-15cm/5.12-5.91inch Attribute: refer pictures to selection please Package Includes: 1 Pair Baby Middle Tube Socks note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.