ALWAYS CHECK THE SIZE CHART (IN IMAGE SECTION ABOVE). SIZES PROVIDED ARE UK SIZES, BE SURE TO MEASURE AND CHECK THE SIZE CHART BEFORE ORDERING. The Arena Allover Challenge back swimsuit in black is a great choice for frequent swimmers that require a durable swimsuit.  Arena have combined thin shoulder straps with a wide back opening, giving you maximum freedom of shoulder movement, an excellent feel of water and reduced drag. The Allover Challenge back swimsuit is non-restrictive making it perfect for all training drills, it's high leg cut provides style and comfort for you during your long hours in the pool. The Arena's Allover Challenge back swimsuit is made with Arena's MaxLife Eco fabric it is the evolution of arena’s premium fabric for regular and intensive swimmers, delivering maximum resistance to chlorinated water. Whilst maintaining the same benefits as the standard fibres used in the original MaxLife, the new ecological version features more than 50% recycled polyester, obtained from PET Bottles. This highly sustainable fabric is the result of almost one year’s development in the lab and 200 lab trials. Its construction is based on specifically engineered PE yarns, providing elasticity and combining an excellent fit with power retention performance. Additional features include its quick drying properties and 50+ UV protection. Features: Quick drying 50+ UV protection MaxLife Eco with a reduced impact on the environment Maximum resistance to chlorinated water Challenge back High cut leg Front lined