Soft, breathable, and excellent at regulating body temperature, this crewe feels great in almost any weather. Merino jersey fabric resists odor for days on end, so you only need to pack one of these high-performance layers during multi-day excursions. Crafted with odor-resistant, moisture-wicking merino wool Features underarm gussets and set-in sleeves for mobility Offset shoulder seams and flatlock stitching prevents chafe Long sleeves, crew neck, droptail hem for additional coverage Best Use:  Snowports, Camping, Hiking, Climbing Fabric:   Merino Wool Underwear Weight:   Medium UPF Rating:   20 Fit:   Regular