Knix Catalyst HIBRA101 High Support Sports Bra Knix Size: 8 Converts to 40/42 - D, DD, E Color: Black Excellent Pre-Owned Condition See Photos for Condition The most supportive sports bra ever. And one that doesn't give you the dreaded uni-boob. Keeping you in place while you move, this bra outperformed over 800 other bras it was tested against. High impact support. Encapsulated cups to reduce movement. Adiustable back straps. Ventilated cups. Hook & eye back clasps.