Quality sleepwear keeps your body relaxed and provides great comfort as you sleep. Nautica manufactures and sells watches, jeans, pants, t-shirts, polos, shirts, dresses, sleepwear, swimwear, shoes, underwear, and much more for men, kids, and women. The brand operates in over 60 countries across the world. Many popular shades of gray are smoke gray, ash gray, charcoal gray, etc.