The Curvy Kate Smoothie strapless is a revolutionary design for up to a K cup, with seamless cups for an ultra-sleek silhouette. An inner sling to the cups ensures an uplifted, rounded shape while the microfibre wings with concealed side boning offer the smoothest of fits. Finished with multi-way detachable straps and silicone grip for non-slip comfort. Seamless cups for a super smooth fit Moulded, foam lined Underwired Side boning Fully adjustable, detachable straps Strap width: 28-36 D-F 18mm; all other sizes 22mm 3-hook fastening on sizes 28-36 D-F; 4-hook fastening on all other sizes Main: 67% Polyamide, 33% Elastane, Lining: 100% Polyamide, Lining 2: 100% Polyester, Wing Mesh: 70% Polyamide, 30% Elastane Curvy Kate Women's Smoothie Moulded Strapless Multiway Bra Lingerie in Black Size: 40FF