Use a tape measure (or a length of string that you will have to hold up to a tape measure) to determine the length. Place the string or tape around your head about 1/8″ above your ear, across the mid-forehead, completely circling your head. Hold the tape firmly, but not too tightly. Basically you need to measure your head exactly where the hat will sit. If your measurement falls between sizes, choose the next largest size.
Learn more:https: //www.tiendahat.com/pages/style-size-advice
Skull Sunglasses integrates Style & Comfort, and it serves as a perfect glasses during day or night.
The lenses are specially coated with Polarized UV400 coating, reducing night time glare by blocking 95% of blue light and 100% of UVA / UVB rays. It ensures that everything in front is always crystal clear, even for rainy days or fog weather.
Skull sunglasses are engineered with polycarbonate material, a Strong Anti-Shock material from aerospace technology. The frame is so comfortable that it will never cause headache - in fact, it reduces headache!
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