evo.com | Burton Long Underwear Tops > The Burton Merino Blend Midweight Base Layer Crew brings low-profile warmth and seriously soft comfort to cold days. A merino wool and TENCEL(TM) blend naturally regulates temperature and resists odor, while four-way stretch keeps movement unrestricted and layering easy. From powder laps to post-ride hangs, this is the base layer that earns repeat wear. Stretch 360deg For Unlimited Mobility Midweight Wool 245GSM 57.6% Merino Wool, 38.4% TENCEL(TM) Lyocell, 4% Spandex. Slim FIt A slim fit with four-way stretch makes for easy layering and an unrestricted feel. Chafe-free Softlock Seams for Comfort Double Needle Stitching on Sleeves and Hem | Women's Burton Blend Midweight Base Layer Crew Top 2027 - X-Small Orange | Spandex/Wool