Kanu Surf Boys' Short Sleeve UPF 50+ Rashguard Swim Shirt The Kanu Surf Boys' Short Sleeve UPF 50+ Rashguard Swim Shirt ($17) comes in 32 colours and is SFP 50+. Image Source: amazon.com Kanu Surf Boys' Short Sleeve UPF 50+ Rashguard Swim Shirt $17 from amazon.com Buy Now