Let me begin by saying I was (and am) a die-hard fan of the Firestone Winterforce for decades. For reasons I won't get into here I ended up with a set of Altimax Arctics instead of Winterforces. Let's just say I am SO GLAD I did. The Altimax's are better in every way! They go through anything, and are super quiet - even more so than the all season tires they replaced! They have extremely deep lugs (Probably 12/32nd's) and are a little squirmy when they're brand new but the tradeoff of being almost invincible during the winter months is worth it.