Be warm-wearther ready, anytime, with the SF70s "50 Years" Tank Top.  It's made with durable side seams to provide structural support. All bindings are the same fabric as the rest of the tank. Depending on the color, cotton, polyester, or rayon can appear. 
.: 100% Airlume combed and ring-spun cotton (fiber content may vary for different colors)
.: Extra Light fabric (3.8 oz/yd² (110 g/m²))
.: Retail fit
.: Tear-away label
.: Runs true to size