COS Stores PortugalPared back and classic, these bikini briefs are perfect for mixing and matching with the other swimwear pieces in our collection. They’re crafted from a smooth ECONYL® blend, shaped with a flat-cut waistline and have a double lining for additional support.- Medium coverage- ECONYL® is 100% regenerated nylon fiber from pre- and post-consumer waste such as fishing nets and other nylon wasteShell & Lining: 78% ECONYL® regenerated polyamide, 22% Elastane / Machine wash