Japanese outerwear label CMF Outdoor Garments serves up this functional down liner jacket to help beat extreme weather conditions. Arriving in khaki, it’s water repellent, thanks to its ripstop nylon fabric and filled with down feather for optimum warmth. It features two thumb tabs at the wrist to help layer up so you don’t loose your sleeves - and you can button it up using its press stud closure to keep the cold out. It’s diamond stitch outer finishes the technical piece off in style.