This Chantelle Parisian 4-Part Plunge Underwire Bra will provide you with all day comfort. Underwire bra Plunge Hook and eye closure Multi-part cups supports your bust Stretch mesh at top to provide a great fit Adjustable straps Lace Cup: 73% Nylon, 14% Polyester, 13% Elastane Lace Cup: 74% Nylon, 26% Elastane Tulle Back: 84% Nylon, 18% Elastane Knit Cup: 100% Nylon Knit Lining Back: 61% Nylon, 39% Elastane