Swannies are 100% UV-rated. This means that you can wear them outside without any problems. However, they are designed to be worn at night a few hours before going to bed.
Do Swannies work during the day and outside in the sun or daylight?
Swannies are 100% UV-rated. This means that you can wear them outside without any problems. However, they are designed to be worn at night a few hours before going to bed.
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