|Berlei High Performance Smooth Underwire Sports Bra (YYR9). Enjoy serious support and bounce control with this revolutionary sports bra. Already a professional athlete's favorite! Made of polyamide; elastane and polyester. Ultrasonic underwire cup has soft; supportive stretch terry lining with shock-absorbing panels at top and bottom. Panels are built into fabric and contour to your breast for excellent impact control and a less bulky design. Strong; encased elastic along top edge of cup for fit and hold. Center panel - tall and wide; with arched underside for high tummies. Reduces bounce over 50%; helping to prevent damage to breast tissues. Two-ply sides have covered elastic edges for fit. Soft; textured elastic straps adjust at back with coated metal hardware. Straps are convertible to a crossed back style. High impact support is great for running; netball and soccer. Coated metal hook-and-eye closure in back; see Fitter's Comments below for hook count.