By Cam Vigliotta According to the latest data courtesy of the ever-enlightened Punxsutawney Phil, we’ve still got six more weeks of winter before spring arrives. The news, while disappointing, is an obvious indication that you shouldn’t pack away your baselayers, jackets and mittens just yet. If anything, you should brace for more cold weather and consider investing in some new winter gear while Backcountry is holding its annual Season Send-off Sale. Featuring a vast collection of jackets, bibs, gloves, tees and countless other winter staples, the online outfitter’s latest sale is packed with …