Incredible Plunge Sports Bra: 34B High support Molded one-piece pad for support, shape & separation V-neckline Perfect for low-cut tops Comfortable hidden support with an ultra-flexible wire Adjustable back closure and straps for comfort Breathable wicking fabric helps keep you cool & dry 4-way stretch follows your every move Mesh fabric panels for airflow Body: 71% Polyamide, 29% Elastane Wing lining/Lining: 81% Polyester, 19% Elastane Cup lining: 100% Polyester Bottom band: 90% Polyamide, 10% Elastane