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Let’s start with a diagram of the sun’s damaging rays. This graphic shows the different wavelengths. Smaller wavelengths mean more waves hitting you. Imagine ocean waves coming every second at the shore. It would wear it away. So it is with sun rays. the shortest wavelength beats on us harder. However, the shorter wavelength . . . → Read More: How UV damages The Ultraviolet Protection Factor, or UPF, system measures the percentage of UV rays that will penetrate through a fabric. This diagram is very similar to the SPF one, only we are looking at the skin underneath the shirts. Again, the easiest way to calculate your protection is to multiply the UPF number by your . . . → Read More: What is UPF Ueven sun exposure across our bodies is dangerous. Common sense tells us we get more burnt in some parts than others, but a European study illustrates that the sun’s different angles mean certain body parts receive higher than the published UV ratings for the day. If you look at the graphics, you . . . → Read More: UV body map |
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