Speedo essentials - everything you need for a great swim. Take on your training wearing the sleek black dive thinstrap muscleback featuring an eye-catching lilac and pink colourblock side panel and contrasting pink trim neckline. A great choice for your workout, the muscleback design with thin straps offers flexibility and freedom of movement. Offering higher chlorine resistance than standard swimwear fabrics, our shape-retaining endurance10 fabric fits like new for longer with creora highclo.