evo.com | Burton Long Underwear Sets > Bundle up for big adventures with the Burton Midweight Base Layer Set. This dynamic duo of top and bottom is your little ripper's secret weapon against winter's chill. Breathable fabric wicks away sweat faster than they can say "snow day," keeping them comfy whether they're mastering the bunny slope or building the world's biggest snowman. DRYRIDE Ultrawick Fleece 92% Recycled Polyester / 8% Spandex Hidden Thumb Holes Midweight Warmth Midweight fabric with soft, chafe-free seams and plenty of stretch feels great and lets kids move naturally. HeiQ(R) Odor Control Treatment Just Right Fit Cut for a fit that's not too tight or too loose, for easy layering and full mobility. | Kid's Burton Midweight Base Layer Set Toddlers' 2027 - 5T Black in White | Spandex/Polyester