This sports bra is designed with a beautiful back tie rope, providing support during fitness and running activities. Constructed from nylon, it is breathable, and shockproof, and comes in 4 styles: Sexy Cross Back Sports Fitness Bra, Gym Workout Training Tops, High Shockproof Running Vest-style Sports Bra, and Women Fitness Yoga Bra. Available in sizes S, M, and L, this sports bra is perfect for any workout.