Filled with Marmot's own mid-loft polyester insulation, the men's Calen Jacket offers an excellent warmth-to-weight ratio for mountaineering and other backcountry adventures.

• Nylon ripstop shell is quilted with Thermal R polyester insulation
• Angel-Wing Movement frees up your arm mobility
• Elastic-bound cuffs and an adjustable hem on the Marmot Calen Jacket seal in warmth
• Brushed DriClime collar lining adds comfort
• Zippered handwarmer pockets and chest pocket; inside zippered pocket