Super soft and flowy blue tank with a fun knit pattern on the back to make venting the heat easy! Made from 56% Merino wool and 44% polyester, this tank is quick to dry and perfect for summer adventures! New with tags and no smoking. Measurements approximate laid flat. Size Guide from smartwool is posted in photos xs pit to pit 16.5" Top to bottom 24" Small Pit to pit 17.5" Top to bottom 25" Medium Pit to Pit 18" Top to Bottom 26" Large pit to pit 19" top to bottom 26" XL pit to pit 21" top to bottom 27.5"