Summer soccer games, workouts, and hikes are no match for the capabilities of the women’s MERINO SPORT 150 Tank Top from Smartwool. It’s made of Smartwool’s signature merino wool blend with polyester for strength. Panels and mesh in critical areas improve airflow, keeping you cool. Merino wool is naturally odor-resistant, moisture-wicking, and breathable, helping manage your sweat and body temperatures for athletic pursuits.