Petzl Charlet Irvis FlexLock
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View all Crampons from Petzl Charlet
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The 10 point Irvis crampons from Petzl Charlet feature the flexlock system allowing all adjustments to be made without to use of tools. The AntiSnow system also stops the build up of snow at the base of the crampon. Total weight including bindings is eight hundred grams. Rated at C1/C2.
Petzl Charlet Irvis FlexLock Reviews
Reviewed by Justin Maxwell (Edinburgh) on 2006-02-22:
General comments: These are excellent lightweight walking crampons. I've used the Charlet Irvis Flexlock traversing a hard iced ridge in Scotland, spending about four hours in them on the day. The binding system is dead easy, a leash run through two sturdy plastic bindings which bend to fit boot heel and toe (mind you don't trim the long leash down until you've fit the crampons over boots and gaiters, I didn't consider the latter and my leashes now a touch short for cold fingers). The system pictured is not in fact the Flexlock, but the Sidelock option (not included with the Flexlock, and vice versa) which requires boots with welts. The Flexlock is sutiable for any C1 rated boot. My winter boots are Scarpa SLM3s, and at size 46 I am pushing the envelope with these crampons - make sure you get the L bar for boots over 42, even still, the sole unit on my boots is large enough that it's a squeeze to get into the crampon. A good tight fit after a couple hard steps - I think, in any case they didn't come at all loose during four hours of ridge walking. Perhaps they are best suited for smaller sizes, certainly try before you buy and get some advice. Adjustment of the linking bar is easy with no tools required, though you want to do that at home not on the hill. The 10 point arrangement is simple and effective. The angle of the second points is a good feature - I found I could use them in combination with the front points to climb steeper grades, and they work very well in descent too. The anti-snow plates are a bonus. Build quality seems excellent. These are fine crampons which gave me a feeling of security on ground I wouldn't have attempted without them.
Pros: angle of second points, lightweight, anti-snow plates included
Cons: possibly best suited for smaller boots