Cali Life Co. Blog
UV400 sunglasses
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When shopping for sunglasses, you'll often see "UV400" listed as a feature. But what does it actually mean, and why does it matter? UV400 means the lenses block 100% of ultraviolet light up to 400 nanometers in wavelength — which covers the full spectrum of both UVA and UVB radiation. It's the g... View Post
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