Supima is the world's finest cottons, Supima is a non-profit organization of American Pima cotton growers whose main objective is to promote the use of American Pima cotton around the world and is involved in quality assurance and research programs. The used of the trademark "Supima" is strictly controlled by the grower organization, only authorized company with high quality products can use Supima trademark to promote their own Supima products.1) A Longer Staple LengthThe staple length of Supima is 35% longer than regular cottons. This increases softness and luster. Fewer fiber ends are exposed, minimizing the effects of abrasion resulting in less pilling.2) A Stronger FiberSupima is up to 45% stronger than regular cottons. This makes Supima products extraordinarily resilient. Even lighter-weight Supima fabrics are incredibly durable, without compromising drape and comfort.3) A Vibrant FiberSupima absorbs and retains color better than regular cottons. This means that Supima products retain their brilliance over many years of use.