Keep them warm and riding on the mountain with this Kids' and Toddlers' Burton Midweight Base Layer Set. This is the midweight base layer set kids can wear for the coldest days of the season. Breathable and quick-drying, it regulates their temp through different activity levels and lets 'em bend, flex, and play with full mobility. Just Right Fit Cut for a fit that's not too tight or too loose for easy layering and full mobility. Midweight Warmth Midweight fabric with soft, chafe-free seams and plenty of stretch feels great and lets kids move naturally. Plenty of Tech and Stretch DRYRIDE Ultrawick fleece breathes and wicks sweat, so you stay warm and dry.