Mountain Warehouse Short Sleeves Kids Rash Vest - Fast Dry Rash Guard Nylon UV Protection - UPF50+ to keep you safe from harmful sun rays Quick Drying  Great for travelling, washing and wearing Stretch fabric- Easy movement, stylish with a good fit Flat seams - Minimises friction and chafing with its small & flat stitches UPF50+ - Fabric has a sun protection factor treatment of 50+ Quick Drying - Ideal for wear in and out of the water Stretch Fabric - Soft and comfortable Flat Seams - Combined with the close fit prevents chafing, perfect to wear under a wetsuit or as part of a swimming costume