Keep your kids protected with a boy’s thermal underwear. It’ll regulate their body temperature. The fleece-lining will provide ultimate comfort and wick away sweat to keep them dry. A boy’s long underwear will protect your kids while outside and work as a pajama.

Elastic Soft Waistband
kid’s long underwear is ultra-comfortable. That’s why the elastic soft, slim fit of the waistband provides comfortable and chafe-free wear all day

Fly/Pee hole
Nature will come calling. Kid’s thermal underwear provide a fly/pee hole for an easier way to answer nature’s call without having to get undressed.

Stretchable & Lightweight
The fabric is lightweight so as not to weigh your kids down. They’ll enjoy full-mobility with no movement restriction with the four-way stretchable fabric.

Boy's Ultra Soft Thermal Underwear Set