Firstgear 37.5 Kilimanjaro Jacket New for 2016, the Firstgear 37.5 Kilimanjaro Jacket is a complete overhaul of the previous version. The outer material is constructed of 420-denier nylon with a waterproof PTFE laminate. The Kilimanjaro’s PTFE laminate features ‘37.5 advanced’ technology to help your body maintain a comfortable 37.5 degrees Celsius. The shoulder vents on the Kilimanjaro have Velcro […]