Perfect for use on your beach holiday, the Mountain Warehouse Kids Long Sleeved Rash Vest is comfortable to wear, either on its own or under a wetsuit. UV-protective with a nylon-spandex composition, the fabric is light and stretchy giving them full freedom of movement. The fabric is also quick drying which is always a bonus if they're running straight to the car from the water. The seams are flat and the design is close fitting to prevent chafing when in use, ensuring your child gets to enjoy the ocean properly this summer with no discomfort. Fabric - The Rash Vest is made of nylon and spandex, making it lightweight and stretchy for freedom of movementUV Protection - Stay safe in the sun, with a UV protection of UPF50+Quick Drying - Great when you're out and about and after washing too Flat Seams - Helps prevent chafing and provides extra comfortGreat For - Great for use under wetsuits and ideal for swimming