5% spandexPull On closureHand Wash50% Cotton,45% Viscose,5% Spandex.Soft and Drape NiceSize: US sizeSoft breathable and comfy. Moisture-wicking stretchy, lightweight. Long sleeve open back design and loose fit creates a breezy feel with more cooling as your run heats up. The back part is open and drapes nicely, showing off the sexy and cute bra or whatever.Perfit for casual outings, everyday wear, yoga workout clothes, travel, beach, sports, holiday, leisure. Suit for Leggings, Skirts, Pants, Sports Bra,Yoga Pants,Active Shorts,Leggings,SkirtsHand wash and Hang dry recommend, Do not bleach, Low Iron, Do not Dry clean.