TwoThreeOne.Marco Wholecut Derby Boots from Shrunken Bull LeatherMarco is a seven eyelet wholecut derby boot made on our Sailor last. The uppers for this unique pattern have been cut from one single piece of shrunken bull leather, hand stained with aniline dye, and lasted entirely by hand. The boots have dark brown calf leather lining, vegetable tanned bovine leather insoles, pull tabs and rounded leather laces. The soles are sewn by hand, in Norvegese construction, and consist of leather middle soles and rubber