Phalut Half Down Puffer Jacket 
A heavy sleeveless 400 fill down and high qulaity tefetta fabric, along with a nylon inner linning. A good option for staying warm during a day walk in extreme weather. It provides insulation without restricting arm movement. 
With a high fill power down and durable outer shell to ensure maximum insulation and protection against the elements.
Just make sure to layer properly underneath and consider windproof and waterproof outer layers to stay comfortable and protected.