85% Polyester, 15% Spandex Machine Wash Features:Hyperflex seamless technology is soft to the touch and quick to dry, allowing you to move without limits through any workout.Also is breathable,squateproof,wear-resistant,moisture wicking, makes you feel high compression but comfortable. Occasions:Seamless hyperflex workout set outfits is best for casual,yoga,workout,schoool,active sport,training,exercise,gmy,running,jogging,parkour,dancing,hiking,vollyball,also,best for home wearing. Ideal Gifts for: Girl friend,Valentine's Day,daughter, school season,gym excercises,Mother's Day,Anniversary Day,traveling & hiking day. Size:US normal size,last picture for reference.But if you want a loose fit,size up would be better. Service:Contact us 7 x 24 hours with any questions and free easy return with prepaid return label. Hotexy Women Workout Set Athletic Outfits Seamless Yoga Leggings with Sports Bra Gym Tracksuits Set - BHV1LISA3