Herringbone twill is a heavy cotton or wool fabric woven in a broken twill construction, creating a continuous zigzag or V-shaped pattern. The alternating diagonal lines give the material structural stability and resistance to tearing. It is heavily utilized in military uniforms, workwear, and heavy-duty tailoring.
Heard on the job
The vintage chore coat is cut from olive drab HBT that has faded beautifully over the years.