THE NORTH FACE MEN'S VENTRIX, Jacket warm, light weight, winter/ fall Sz M

Barely used, perfect condition! Light weight, insulated, warm cozy Insulation type: Uses Ventrix, a synthetic insulation with laser-perforated vents in high-heat areas like the back. Ventilation: Vents expand to release heat when you're moving and contract to retain warmth when you're at rest. This actively regulates your body temperature. Best for: High-aerobic activities and stop-and-go exercise in cold weather, such as trail running, climbing, or hiking.