Decathlon Surfing Anti-UV Long Sleeved Rash Vest Water T-Shirt - Age 7-8 Years Kids’ UV-resistant long-sleeved t-shirt for sun protection, even in the water, and to reduce irritation from skin coming into contact with the board. Loose cut makes it easy to put on. Size: 7-8 Years100% PolyesterUV rating 50+ We paid £9.99 for this - unused and now too small for our son - many thanks