NWT. slim fit. Description Made from a stretchy Supima® cotton jersey, the Supima® Cap-Sleeve Tee features a wide scoop neckline in the front and back for an elevated look. Grown in the United States, Supima® cotton is distinguished by its extra-long fiber length, which gives it more durability and a softer hand feel. Supima® is able to authenticate the source of its cotton across the supply chain, from the fiber and yarn to the fabric and finished product.