I have both tires you speak of.....the 420s are great in snow. We get very little here in KY though. I haven't had the proxes st2s in the snow yet.
The HARDER you work...the LUCKIER you are!
2014 REDLINE red Jeep SRT "BLOODIED Edition" 1 of 1
2013 Audi A7 premium plus-phantom black sportback
2012 FIAT 500 Sport