Speedo thinstrap swimming costume junior girls this speedo thinstrap swimming costume is crafted with endurance 10 technology which offers you a resistance to chlorine 10 times better than standard elastane as well as offering better movement and fit whilst retaining its shape designed with two thin shoulder straps and flat lock seams for a comfortable fit that does not chafe printed detail is situated to the chest and is teamed with speedo branding swimming costume endurance 10