So comfortable you can sleep in it, lounge in it, or work out in it. Closure type - Pull On. About this item - Logo Elastic - Nylon / Polyester / Elastane. Lining - Unlined. 14 1/2" HPS length (Size S), 17.25" HPS Length. Size 2X) 80% Recycled Polyester, 20% Elastane. Care instructions - Machine Wash. Color: black