87% Nylon, 13% Spandex Imported Hook and Eye closure Machine Wash SOFT WRAP, STRONG SUPPORT The cross back design sports bra can make your back look sexy, the straps are designed to distribute weight better than many bras you've had before, take most of the weight off your shoulders, so as to effectively protect the breasts during exercise, reduce chest tremors, and avoid chest relaxation. FREE BREATHING strappy back bra fabric is Slick and low-friction, Breathable Sweat-wicking and four-way stretch which cool to touch , added mesh fabric for stretch and shape retention, comfort and support, fit the body even during any normal workout, provide more coverage, airflow and support. EASY-ON, EASY-OFFThese sports bra without uncomfortable underwires, with two soft detachable cups, give you greater flexibility and all-day comfort. With 4 sets of hook and eyes easy to put on or take offgive your some needed stability and convenient adjustment without being too tight or too loose. HEALTH AND BEAUTY sports bra Suitable for Pilates, tennis, running, yoga, fitness, Gym, workout, training, or daily lounge, With sports bra protection, you can just sweat and exercise Custom ServicePlease check our size chart carefully before you purchase our sports bra, If you are not satisfied in our products, feel free to email us for service, we will try our best to help you to solve it.