How warm? Very warm. How comfortable? Very comfortable. Smartwool's Men's Smartloft 120 Jacket uses 88% recycled wool insulation for lightweight, packable warmth and breathability even when wet. It also features a DWR-coated nylon shell for protection and a wool lining for sweat and odor management. It fits perfectly into any winter adventure.

• Main: 100% Nylon
• Trim: 48% Merino Wool/44% Polyester/8% Elastane
• Lining: 56% Merino Wool/44% Polyester
• Fill: 88% Wool/12% Polyester
• 120g proprietary recycled wool insulation offers lightweight, packable warmth, breathability, and insulation even when wet
• Wind-resistant nylon with DWR protects from the elements
• Insulation is lined in Merino for sweat and odor management
• Stretchy knit panels target Merino next to skin and polyester against the elements while allowing for ease of movement
• Zip chest pocket with cord routing and zip hand pockets
• Imported