Women's Cotton On Everyday Strapless Lightly Lined T-shirt Bra - Brown - Bras Lingerie That Makes You Feel Chic And Comfortable? Yes Please. Our Bras And Bralettes Are As Comfy As They Are Flattering. Super Easy To Wear And Perfect For Everyday. Main: 89% Polyamide, 11% Elastane Cup: 100% Polyurethane Cup Lining: 100% Polyester Wing: 84% Polyamide, 16% Elastane. Main: 89% Polyamide, 11% Elastane; Cup: 100% Polyurethane ; Cup Lining: 100% Polyester; Wing: 84% Polyamide, 16% Elastane.