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Old 03-20-2008, 12:28 PM   #8
Jan in CA
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Originally Posted by Silver View Post
Although I have serious questions on whether this "basic white cotton T-shirt" really has an SPF of just 7. Because on days when the burn factor is a 10, an SPF 7 would allow you to stay in the sun for a maximum of 70 minutes. But I've spent HOURS in the sun in a plain white tee and still, never burned under it.
Yeah, that's why I was saying it may also be the thickness of the T shirt. I would think only extremely sun sensitive people would have a problem.

Personally think the SPF in swim wear is just a gimmick.
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