An umbra is the fully shaded inner region of a shadow cast by an opaque object, especially the area on the earth or moon experiencing the total phase of an eclipse.
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Altitude sickness is a common problem for climbers that is often overlooked in the outdoor industry.
According to the American Cancer Society, skin cancer is the most common form of cancer in the United States. An estimated 1 million nonmelanoma cases are diagnosed annually.
The majority of skin cancer cases, up to 90%, are sun-related.
Umbra’s sun sensitive pattern is a gentle reminder to be aware of ultraviolet light so you can protect yourself from the sun’s harmful rays.
The pattern becomes opaque and visible when exposed to ultraviolet light. This even works well during a cloudy day when the UV index is high. This visualizes the danger that the user might otherwise be completely unaware of.
Cotton shirts don’t protect you from ultraviolet rays. Polyester shirts are excellent for giving you the protection you need.
Cotton shirts don’t protect you from ultraviolet rays. Polyester shirts are excellent for giving you the protection you need.
Every shirt comes with SPF 50 sunscreen in an easy to carry bottle.
The back of the bottle has visual instructions for use: Watch out for reflected light from snow, water, and sand. Cover up. Reapply every two hours. Stay in the shade at noon.
Every shirt comes with SPF 50 sunscreen in an easy to carry bottle.
The back of the bottle has visual instructions for use: Watch out for reflected light from snow, water, and sand. Cover up. Reapply every two hours. Stay in the shade at noon.
A portion of the profits will go to the national park service to help protect and preserve the great outdoors.
All works © Christiahn Roman 2017