- Black polyamide and metallic fibers-blend - Top ties at back, briefs tie at sides - 64% polyamide, 36% metallic fibers; lining: 73% polyamide, 27% elastane - Machine wash - Lotion, sunscreen, oil and chlorine can cause discoloration of this item; this is not a manufacturing defect. Please follow care instructions to keep your swimwear in the best condition