Smarter than the average tank, SmartWool's PhD Run tank top features an ultra-stretchy merino wool knit that's an expert at wicking moisture, regulating skin temps and keeping you at peak performance. Itch-free merino wool is temperature regulating, moisture wicking and odor resistant Ribbed side panels Seam-free body for no-chafe comfort Full-coverage back Limit 12 per year Made in Turkey Visit our Wool Guide US shipments only SmartWool PhD Run Ultralight Ankle Socks - Merino Wool (For Women) in Bright Pink