For high-output trail days and gym sessions where you need a top that pulls its weight, the Active Long Sleeve is our go-to merino pick for women who run hot and work hard. A merino wool blend regulates temperature naturally and kills odor without synthetic buildup, while the stretchy, lightweight construction stays out of your way when the pace picks up. Merino wool blend naturally regulates body temperature and wicks moisture — no synthetic smell after hard efforts Lightweight, stretchy fabric moves with you through full range of motion without binding or bunching Soft next-to-skin feel wears directly against the skin without the itch you'd expect from wool Works standalone in mild temps or as a base layer under a shell when conditions get serious Available in Black and Nightfall Blue, sizes S–XL — transitions easily from trail to gym to everyday wear
