Makalu HeatFlux -30°C Insulated Jacket

The Makalu HeatFlux Jacket is built for extreme cold, high-altitude travel & serious winter exposure. Part of Gokyo’s Sherpa Series, it uses special HeatFlux lining insulation to deliver reliable warmth in temperatures down to -30°C. The locking detachable hood, Velcro-over-zipper seal, adjustable cuffs & compression sack improve heat retention, weather protection, packability & travel convenience. Ideal for Northern Lights trips, Kailash Yatra, Spiti, 5000m+ treks & winter expeditions where dependable insulation & cold protection are critical. Key Features HeatFlux lining insulation for extreme cold protection Built for temperatures down to -30°C Locking detachable hood for flexible coverage Velcro zipper seal, adjustable cuffs & compression sack If wearing M size T-shirt (Chest 20 one way) buy M size Jacket (Chest 22) If wearing L size T-shirt (Chest 21 - one way) buy L size Jacket (Chest 23)