EXCLUSIVE AT MR PORTER. Universal Works' Mr David Keyte says his designs are all about appreciating the past without repeating it. Based on a style his dad used to wear when he was a baker, this jacket is made from durable linen and cotton-blend canvas that's garment-dyed so it won't fade over the years. It has handy patch pockets and a signature contrast-stitched buttonhole. The regular cut is easy to slip on over thin layers.