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.
__________________ SCOTT The HARDER you work...the LUCKIER you are!
2014 REDLINE red Jeep SRT "BLOODIED Edition" 1 of 1 Previous JEEP rides-
2013 Jeep Grand Cherokee SRT-deep cherry
2013 JKU 10th anniversary-white
2006 Jeep Grand Cherokee Laredo-inferno red