85%nylon,10%spandex,5%polyester Pull-On closure PREMIUM MATERIAL:Nylon 85%, spandex 10%, polyester 5%. Padded Seamless Racerback Sports Bra are made of super soft and super comfortable fabric,breathable, good strength, excellent durability. BREATHABLE AND COMFORTABLE: Breathable quick-drying fabric makes you completely trust exercise,from the gym to date.And the sports bra material is soft and comfortable---the relaxed feeling, is what we would like to give you comfort. FASHION DESIGN:Pull on closure,racer back design make you fashionable, stylish and cool,also can be quick-drying and reduce shock to offer more support. REMOVEABLE PAD: The removeable bra pad is easy to put in and take out,always keep your perfect body shape. PERFECT SUPPORT:Good for low and medium impact activities -- specially designed for Yoga Workout Gym Activewear.