The weather has been much warmer lately but the handguards have made a very noticeable improvement in keeping the tips of my fingers from getting much cooler than the rest of my hands. They are just some really cheap $10 eBay jobs that don't even fit properly. I'll have to find a set of guards that clip on to the bar ends or something for a more permanent install. So, with heated grips, a winter gauntlet, and the handguards I would say cold weather can be handled pretty well. Haven't had any other issues elsewhere as far as getting cold goes.
Really pleased with the Oxford grips as well. Well worth the money though installing them requires filing/sanding down the plastic throttle slider.