Curvy Kate Luxe Strapless Multiway Underwire Bra - CK2601 Curvy Kate Lingerie Luxe Biscotti Strapless Bra Foam Lining 4 hook and eye fastenings on back band Inside sling support Fully Adjustable non-slip straps Hook and clasp change from 2 to 3 hooks at an F cup 66% Nylon 22% Polyester 12% Elastane A strapless bra that gives the look of a normal bra. Curvy Kate Luxe Biscotti Strapless Bra is the best strapless bras for big boobs – it lifts, is sooo comfortable and won’t slip throughout the day.