This design is printed on a bella canvas tee, so it's super soft and comfy! Details 4.2 oz. 52% Airlume combed and ring-spun cotton, 48% poly Unisex sizing - side-seamed - crew neck. 100% no sweatshops & eco-friendly Size Guide Our sizing chart measurements are based on a tee that has been laid flat and measured that way! We recommend comparing with a favorite tee from home. All of our tees are unisex sizing, and our customers generally find that they run true to size.