Does 'sun-protective' clothing work?

Dear EarthTalk: Is there really such a thing as "sun-protective clothing"? If so, does it mean I can dispense with oily sunscreens once and for all? (John Sugarman, San Diego, Calif.)

If you want to include this story in your blog, copy and paste this formatted text:

<p><a href="http://www.physorg.com/news159441398.html">Does 'sun-protective' clothing work?</a></p> <p> Dear EarthTalk: Is there really such a thing as "sun-protective clothing"? If so, does it mean I can dispense with oily sunscreens once and for all? (John Sugarman, San Diego, Calif.)</p>