The Oasis Base layers are a versatile, go-anywhere long sleeve made from breathable 100% merino wool jersey, the 200 Oasis Long Sleeve Crewe is the best-selling base layer top. Get all the benefits of these super soft, light and warm thermals.

100% Merino - Soft merino fibers that regulates body temperature in all weather conditions and resists odors

Gusseted underarms for mobility and comfort

Offset shoulder seams to prevent friction

Flatlock seams to prevent frictionDrop tail hem for added coverage