One of the headliners — the towering Sinclair is kitted out with a removable jungle piece zip, yellow welt stitching and tonnes of Doc's attitude. Standing on a towering Quad platform sole, these boots are not for the faint-hearted.  Milled Nappa is a durable and hardwearing pebbled leather that’s soft and supple from the first wear.  The Goodyear-welted lines are heat-sealed at 700°C and reinforced with the signature welt stitch.