Your kids want to play outside, and that includes in the colder weather. Keep them warm and comfortable, and most importantly, dry with a boy’s thermal set from Thermajohn. Fitting like a second skin and lined with fleece, your kids will enjoy the comfort and warmth that comes with these toddler thermal set. They enjoy wearing them outside to stay warm and also as a pajama. Since these thermals are moisture-wicking, your kid will remain dry for added protection when the temperature drop.

Elastic Soft Waistband

Boy’s long underwear should make them comfortable. That’s why the elastic soft, slim fit of the waistband provides comfortable and chafe-free wear all day without causing any discomfort or skin issues.

Fly/Peehole

Whether outside or inside, when your kids play, nature will come calling. Boy’s thermals provide a fly/pee hole for an easier way to answer nature’s call without having to get undressed.

Stretchable Lightweight

To make these boy’s thermal underwear more comfortable, 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.

Elastic Soft Waistband

Fly/Peehole

Stretchable Lightweight

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Boy's Ultra Soft Thermal Underwear Set