Burton Toddlers' Fleece Base Layer Set Safari 2024Head To Toe Cozy. Make the outdoors their playground with the top to bottom warmth of the toddlers' Burton Fleece Base Layer Set. It's the layering lesson that rolls from PJs to the mountain to keep kids toasty, dry, and ripping all day long. Features: DRYRIDE Ultrawick Fleece: 94% Polyester, 6% Spandex Regular fit is just right: Not too tight or too baggy DRYRIDE Ultrawick fleece is highly breathable and ultra fast wicking Two way stretch fabrication