Our go-to lightweight kids' baselayer bottoms for milder winter days and year-round layering, the 200 Oasis Leggings provide the natural benefits of merino wool with an updated design that offers even better comfort and range of motion. The 100% merino wool jersey fabric insulates during frigid family hikes or days the ski hill, and it breathes efficiently on warmer days. The Oasis Leggings also feature a gusseted construction and flatlock seams for chafe-free, unrestricted movement.