Boys & Girls 37°C Thermal Underwear

Description

 
These Boys & Girls Thermal Underwear Set is designed to keep kids warm and comfortable with its 37°C constant-temperature fleece technology. The two-piece long johns offer soft, breathable warmth without bulk, making them ideal for winter layering. The stretchy fabric ensures a snug yet flexible fit, perfect for school, outdoor play, and everyday wear. Suitable for children and teenagers, this cozy winter set provides reliable cold-weather protection while staying lightweight and gentle on the skin.