Over 20 million Cool Nights® PJs sold. Looking for a longer version of our famous keep-you-cool PJ shorts? We made the perfect pair (pockets included!). Details Long pajama shorts Shirred elastic waistband Sits 1.5" below the natural waist Functional pockets Mid-thigh length 6" inseam 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.