Minnesota-based gear company O2 is Arrowheads latest supporter/sponsor for 2012! Breathable, lightweight, relatively inexpensive spell their cycling and standard raingear. The list of companies claiming waterproof and breathable is long but O2’s really is! We got a bunch for the “World Famous Arrowhead Pre-Race Drawing” Click on the logo to checkout their website, great ideas for XMAS and the cold rains comin! THANKS O2!!