Although I've only ridden on them a few times they seem very grippy on trail surfaces rocks and hill climbs. The sidewalk construction seems durable and the sidewall lug patterns help grip the rocks on hilly climbs, the lug pattern although aggressive is fairly quiet and as far as durability I've yet to see any indications that they wear out extremely quick even though I do not have a lot of miles on them.

Nice tire. Makes my Tahoe look bad ass!!