Tech tweed fatigue over wrap Bishu, one of the world’s prominent production area of wool, tweed fatigue pant. Flat polyester threads are treated, napped and woven to bring about rich colors and textures characteristic of tweed fabrics. While visually heavy, this garment is surprisingly lightweight and easy to care for. Cargo pocket hem opens up to reveal inner leg cover which works to keep the wearer dry. Adjustable, thick elastic waist belt.