An upgraded version of our reliable go-to baselayer for everyday comfort and active days outside, the 200 Oasis Deluxe Long Sleeve Crewe combines a technically dialed design and flattering slim fit with the benefits of 100% merino wool. Made with our most versatile merino jersey fabric, the Oasis Deluxe provides super-soft, next-to-skin comfort, incredible breathability and natural odor resistance. The premium design features underarm gussets and set-in sleeves for added mobility, and offset shoulder seams and flatlock stitching throughout prevent chafing across the spectrum of daily motion.