It didn't snow last year. I spent a ton of days jibbing ROCKS(not rails...) on Grouse Mountain, because it was that bad.
I have 1 minute core shot, and edges that took a beating and yet only need a tune to get back to fully functional. No cracks, no delamns, no nothing. The only thing I can say is that crossing up for mute grabs resulted in a little bit of topsheet chipping, which doesn't result in any real damage to the ski (cosmetic only), and they've fixed that problem on the new scratches with a little bit of a cap on top of sidewall construction
Durability wise, scratches get an A from me.
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