Great pajama set for summer! Pants have an elastic waist, cropped length, and pockets. Tank is racer back. Never worn but washed once. Cool Nights® is made with lightweight rayon fibers that stay cool to the touch and keep the fabric from sticking to your body. 93% Rayon, 7% Spandex Machine wash cold, gentle cycle. Only non-chlorine bleach. Tumble dry low. Warm iron.