COS Stores PortugalOur dedicated swimwear team ensured this bikini top has more support than classic triangle styles. Crafted from stretchy ECONYL®, it’s shaped with a lifting underwire and secures with halterneck ties. Wear it to the beach with an oversized shirt and the matching briefs.- Tie closure- ECONYL® is 100% regenerated nylon fibre from pre- and post-consumer waste such as fishing nets and other nylon waste78% ECONYL® regenerated polyamide, 22% Elastane / Machine wash