UCARE Kids Baby Boys and Girls Woollen Winter Body Warmer Solid/Plain Thermal Pyjama Bottom (Pack of3) UCARE Insider Cozy Soft Kids (Boys and Girls) Thermals. Stretchable, Breathable and Lightweight. One of the best known brand in the Kids line, UCARE thermals are the best selling thermals in the Industry. Known for their superior quality, high durability and best protection from winters. Give your kids the loving warmth of UCARE Thermals.