Soft Fleece lined Nylon/Spandex stretch with Silicone Full Seat gripper dots. Perfect for cold Fall and Winter days. Goes from the saddle to the yoga studio to biking or running. Beautifully placed seams for a stunning flattering fit. Side pockets to stash your phone and belongings. Silicone on Full Seat for absolute best grip. These tights are so soft and comfortable you can sleep in them.