Luxuriously Soft, Ribbed Modal Stretch Fabric Fan-favorite Second Skin fabric with a ribbed texture for extra airflow. Super Soft - Naturally breathable with a luxurious feel. Ribbed Channels - Enhances airflow so you don’t sweat the bed. Won’t Stretch Out - Keeps its shape, no bag or sag. Non-Pilling - No lint balls or fuzz, wash after wash. When To Wear A Sleep Short for bedroom to breakfast and between the sheets (not for the streets). Additional Features Inseam - 3 ¼” Refined & Modern - A flattering fit for everybody. Two Side Pockets - For your smartphone or midnight snacks. Stay-Put Waistband - Won’t roll, bunch, pinch or leave marks. Tagless Label - Enhanced comfort, we really thought of everything. Fabric & Care Fabric: 49% Viscose, 43% Micro Modal, 8% Spandex. Machine wash cold. Tumble dry low