With underwire|Lightly lined 4-way stretch cups|Smooth and ultra-soft microfiber torso band|Adjustable straps|U-shaped back that keeps straps from sliding off|Embroidered mesh|2-hook back closure (4 levels of adjustment)|Karen wears a size 34C; Ayé wears a size 34B|56% Nylon 37% Polyester 7% Elastane