I have designed a new wilderness shirt, which a friend has now made for me.
The material is worsted wool, with leather sewn across the shoulders and around the collar. I have also sewn leather along the bottom edge of the two breast pockets. The buttons I have made from Moose horn.
The back of the shirt is longer, so that it covers my backside.
The shirt has a poly-cotton lining to reduce wind penetrating.
There is a leather baffle in the front to also reduce cold air penetrating inside.
I am very pleased with the end result and it is incredibly warm. A belt warn over the shirt, around the waist helps to hold in warm air.