When it’s so hot out that all you want to do is head to the beach, this is the tank top you’ll want to wear. Lightweight and breathable, this tank will keep you cool and dry throughout the day - a great base layer for any activity...or none! Fit is true to size. 100% Merino Wool, 170 g/m2 Jersey Knit, 17.5 Micron Fibers, UPF Rating 25. Machine wash.