Lambskin is the softest leather to make Big mens leather jackets from. Bovine is cheaper but genuine Italian or New Zealand lambskin is difficult to beat. Picking a good leather is not as easy as it first appears. New construction techinques have allowed fabric manufacturers to simulate leather in plastic. We call it "pleather". If your searching for a genuine big size leather jacket that improves with age then first speak to one of our representatives before buying.