Arc'teryx ski mountaineering athlete Greg Hill talks about his favourite backcountry jacket- the Gamma MX Hoody<br /><br /><br /><img src="http://ll.broadbandsports.com/images/40427_thumb.jpg" alt="Greg Hill's Favourite Arc'teryx Jacket" title="Greg Hill's Favourite Arc'teryx Jacket" width="150" height="90" alt="Greg Hill's Favourite Arc'teryx Jacket"/>
