American Designer Koos van den Akker of Koos Couture, ca2013, unlined, loose fit coat with collar, yokes, contrast and overlay variations, bias hem binding, side vents, flat-felled seams, reverse construction on front opening, and cuffs forming mock bands. Yarn embellisment, stitched/slashed, crinkled/pleated, stitched/frayed are some of the techniques used in the variations. Advanced sewing skill.