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Snow blindness is at best very painful. UV damage to your eyes is not something you want to play around with. If only 40% protection they are are not sunglasses, they are fashion accessories and offer no where near enough to protect your eyes for more than an hour. For $10 you will get glasses that provide 99% protection, why risk it?


The short answer by testing is yes, it is perfectly suited in those cases. Peter Popall and the Petzl team tested static and dynamic ropes for crevasse falls and held more falls with the static ones. In a ski touring guide course I attended this year one mountaineering guide brought such a rope with him. He uses it all the time and already had one real case ...


I would use a dyneema rope as a lightweight hauling rope, rap line, or rescue rope, but I would never use any kind of static rope to catch a fall, this would include a fall into a crevasse, or a slip on a slope. With static ropes there is nearly zero energy absorption, I image this is even more true with dyneema. In the event of a fall during glacier ...

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