The Group by Babaton Silhouette Seamless Bra Top is a seamless rib, racerback bra top. In it to win it. This is a racerback bra top with a high crew neckline and seamless construction. It's made with soft, stretchy rib nylon that holds you in. Garment Dye (Gd) Colours: The unique colour of our garment dye is achieved through a special process — instead of dyeing the fabric, we dye the finished garment for a dimensional, washed-down look and soft feel. Results vary from one piece to the next, so yours is truly one-of-a-kind.