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Cross-Country Tech Talk by Stein, Eric's Son

Eye and Skin Protection

Don't skimp on sunglasses. Buy only the best quality and take good care of them. Get a hard carrying case to store them in when you are not wearing them. Scratch your phone number into the frame in case you lose them. Put your name and number in the carrying case, too. A firmly attached neck strap is also desirable.

When shopping for sunglasses look for an unbreakable frame and impact resistant lenses. Make sure the lenses block both ultraviolet (UV) and thermal infrared (IR) radiation. If you are going to frequently be out all day in sunny areas you may also want to get glasses that have side shields, although this are generally not necessary in Michigan. A rubber nosepiece sometimes provides more comfort and is less likely to slip when you sweat. Some glasses have springloaded hinges, which can prevent them from breaking in an accident and allow them to conform to your face better.

Lens color is a matter of choice. Neutral gray is best for sunny days. Yellow is really nice on gray days – makes the whole world look more cheerful. Yellow is also good for low light conditions. Both yellow and rose colored lens improve contrast and make reading the snow surface easier. Some glasses have interchangeable lenses so you can match the conditions of the day.

Use only a very soft cotton cloth to clean glasses. Never use napkins or tissue paper, both can scratch your lenses. Anti-fog compounds are available that can be rubbed onto the lenses to reduce fogging up when you come indoors out of the cold.

The wavelengths of sunlight that cause sunburn are highly reflected by snow so that you get a lot more reflected sunlight in the winter than in the summer; almost as much as if you were out on the water in the summer. This explains how you can get a sunburn on a clear winter's day, even though the sun never gets as high in the sky. It also explains way you need to put sunburn prevention cream on the underside of your chin and even on the inside of your nose at high elevations. If you are not wearing a hat. don't forget the fronts and backs of your ears, too.

If you are going to be outdoors for extended periods of time you should use a sunblock with an SPF rating of at least 15. Sports sunblocks can be purchased that are also sweat resistant.

Lips also need serious protection from the sun. Lip balms do not always contain a sunblock. Make sure yours does. Reapply it often if you are drinking or eating.

For extremely cold and windy conditions you may also need a skin cream that will prevent moisture loss. Many of these creams contain beeswax and although they feel a little greasy, they do work.

After skiing, don't forget to moisturize your skin with something like aloe vera to revitalize it. Aloe vera will also help to soothe a sunburn.

 

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