Smartwool Active Long Sleeve – Women's Size:S and anyone who takes UV

and anyone who takes UV exposure seriously

while 200g insulation and a Solarcore Aerogel insole stack warmth from the ground up

breathable fabric keeps airflow moving during runs and warm-weather training

energetic feedback underfoot without feeling stiff — ideal for tempo runs and uptempo daily miles

Smartwool Active Long Sleeve – Women's Size:S and anyone who takes UVFor 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