Our fave cool nightsâ® material stretches softly and keeps you cool for an easy night of sleep--plus, these pants don't squeeze or squish, letting your body breathe with their relaxed fit. Build your bedtime wardrobe with our #1 cool nightsâ® sleep separates. Details 30 inseam front pockets drawstring waistband full length, wide leg 93% rayon, 7% spandex. Machine wash. Imported.