Sun Protection Zone SunSkinz Kids Zip-Up Long Sleeve Hoodie Rash Guard Jacket 100 SPF & 50+ UPF Product from the SunSkinz Line  Rated 100 SPF / UPF 50+ 85% Polyester / 15% Spandex  High density yarn that is tightly woven to achieve maximum sun protection SunSkinz Swimwear and Hats are made with functional fabric that blocks 97.5% of UVA & UBA Rays Tightly woven with proprietary high-density yarn and four way stretch fabric is comfortable to wear, dries quickly and excellent resistance to chlorine and salt water Integrated hood gives the option for head and neck coverage in place of a hat