The unique design of our sun protective sleeves allow them to be worn on your arms or legs - keeping you cool, protected and giving you ease of movement.  They are great for wearing in the pool, in the car or anytime you want reliable sun protection that won't wash away but also don't want to wear heavy, hot clothing.  A normal white t-shirt provides only UPF 5-10 while our sleeves offer a UPF 50+ - blockign 98% of the sun's UVA and UVB rays.