The benchmark against which all others are judged, the 200 Oasis Long Sleeve Crewe is icebreaker's best-selling base layer-a versatile active top for year-round layering and everyday comfort. The soft, 100 merino jersey fabric is breathable, stretchy, and odor-resistant, and flatlock seams provide chafe-free comfort.Inspired by nature, icebreaker harnesses the performance qualities of natural fibers to offer an alter…