Deep Sea Navy American-grown Supima cotton is farmed to minimize environmental impact. Soft and smooth 100% Supima® cotton Neat binding around the neck Handy locker loop for hanging For best results, wash before wearing. Machine wash Drift off to sweeter dreams. Start and end every day in total relaxation. Made of America’s favorite Supima cotton, our Sleep-T is so soft, so comfortable, you’ll declare every day to be pajama day. (If only, right?) Supima is conscientiously sourced, American-grown cotton that’s farmed to minimize environmental impact. The fibers are 50% longer than standard cotton, so yarns are stronger, softer, less prone to fraying or pilling, and hold color longer.