Should glacier glasses be polarized?
Q: Should glacier glasses be polarized? True glacier glasses should not be polarized. If you’re using them for mountaineering, where you will be at high altitudes on vast snow fields under a bright sun, polarizing lenses can sometimes prevent you from seeing variations in snow under your feet.
Are glacier glasses necessary?
There are two reasons you need added protection; 1. At high altitude the sun’s rays are stronger than at sea level (or even on a ski slope in the Alps). UV exposure increases around 10% for every 1000m in attitude*.
What are glacier glasses for?
Glacier glasses are designed to protect your eyes from bright light in front of you, glare bouncing off ice below you, and light that could reach your eyes from the side.
Are julbo Vermont polarized?
Rock stars, mountaineers and Julbo fans from all walks of life sing the praises of Vermont Classic polarized sunglasses. They offer comfort and vision in the mountains along with town and travel cred.
How dark should glacier glasses be?
The lower the percentage, the darker the glasses will be. Glacier glasses are specifically designed to provide high-level protection against intense UV rays. For example, standard sunglasses usually let in around 40-60% VLT while glacier glasses only allow about 4-7%.
How do you pick glacier glasses?
While lots of options exist in the marketplace for glacier glasses, you’ll want to make sure any eyewear you’ll be taking into the mountains has excellent frame coverage, a secure fit, and <10% VLT (for high altitude expeditions, look for 5% VLT).
What are the best sunglasses for Antarctica?
The undisputed leader in polar sunglasses are Julbo. Julbo lenses all provide 100% protection from UVA, B and C rays. In fact, their category four rating lenses block up to 90% of visible light, making them ideal for Antarctica.
Are Julbo sunglasses any good?
The Aero is a quality cycling sunglass offered at a relatively reasonable price. These lightweight glasses are very comfortable and stay in place on your face impressively well. They’ve got clear, distortion-free optics and a relatively wide field of vision.
What is a Category 3 lens?
Lens category 3: General purpose sunglasses. These provide high protection against sunglare and good UV protection; they are not suitable for driving at night or under dull light conditions.
Do I need Cat 4 sunglasses?
Category 4 sunglasses are ideal for snowboarding or skiing activities, as they let in less than 8% of UV light. However, this category is not recommended for use while driving as the lens is too dark to see clearly. Only sunglasses with a filter category of 0-3 are considered safe for driving.
Do you need polarized sunglasses for Antarctica?
Some people will recommend full snow goggles instead of sunglasses as these protect your eyes a little better. However, goggles are needed on a standard Antarctica cruise, you would be far better with some polar sunglasses as these are far less cumbersome. The undisputed leader in polar sunglasses are Julbo.
What are the best glacier glasses?
The Tifosi Dolomite glacier glasses feature impressive ventilation, with open sides at the rear of the arm and shielding near the frame for extra breathing room. We also liked the dual slots these best glacier glasses feature, so your lenses won’t fog up.
How do glacier glasses protect your eyes?
Beyond the light that is filtered by the lenses, glacier glasses are specifically designed to prevent light from getting in around the lenses. Side shields prevent peripheral light from entering your eyes while nose guards prevent light from filtering in between the eyes.
Why choose glacier glasses for trekking?
Although boots, crampons, and ice axes might be the first things that come to mind when you think of mountaineering gear, glacier glasses are equally important on alpine expeditions.
What are Bertoni glacier glasses?
The soft leather side shields are ventilated and removable, and though the glasses don’t have a separate nose piece, they still block almost all peripheral light. The Bertoni Glacier glasses feature polarized lenses to significantly reduce reflections from snow and ice.