Mountain Hardwear Men's Kor Alloy™ Jacket Merino High-loft exterior that traps lots

High-loft exterior that traps lots of air pockets

and offers UPF 50+

making it an ideal premium layer or fashionable piece on its own

Made with quick-drying

while the Mummy version has shoulder openings for temperature regulation

Mountain Hardwear Men's Kor Alloy™ Jacket Merino High-loft exterior that traps lotsSuccess on the trail hinges on managing heat and moisture effectively. The Mountain Hardwear Men's Kor Alloy Jacket combines a Pertex Quantum Air shell with a precisely placed hybrid of AirMesh lining and Primaloft Gold Active insulation to provide optimal warmth, wind protection, and ventilation. This mid layer excels at shedding excess heat and moisture during climbs while offering reliable insulation beneath a shell for descents. Engineered for