- highest quality, "sweatshop free" American Apparel shirt. - this shirt is Tri-Blend (50% Polyester / 25% Cotton / 25% Rayon) construction. Polyester retains shape and elasticity; Cotton lends both comfort and durability; addition of Rayon makes for a unique texture and drapes against the body for a slimming look - durable rib neckband - fits slimmer than the other Hammock shirts. - durable rib neckband - S, M, L, and XL sizes. - shipped First-Class USPS (Domestic and International). - in photo above, this shirt is pictured third (from left to right).