Kids winter thermals are designed to keep children warm and comfortable during cold weather. They are typically made from a blend of insulating materials such as polyester, nylon, and spandex, which provide excellent heat retention while allowing for flexibility and ease of movement. These thermals are often designed as a two-piece set, consisting of a long-sleeved top and matching pants. The top usually features a crew neck or mock neck design, with ribbed cuffs to seal in warmth. The pants typically have an elastic waistband for a snug fit and ribbed ankle cuffs to prevent cold air from entering. The fabric used in kids winter thermals is often moisture-wicking, meaning it helps to draw sweat away from the body, keeping the child dry