Dr. Martens Men&#39;s Allen Boot,Black,UK 9 (US Men&#39;s 10 M),Dr. Martens,ALLEN" /> 100% Leather Rubber sole The 'Allen' features a Leather Upper Allen Slate rigger boot. Raw, rugged hardware on full-grain and suede combination leather uppers. Durable outsole with traditional welted construction A leather with a subtle grain and an oily surface that has been polished combined with a traditional lightweight leather, with the added advantage of being water-resistant This is a Goodyear-welted product. The upper and sole are sewn together, not merely glued, like many footwear constructions. This, together with our Z welt-stitch and heat-sealing process, makes it unique to Dr. Martens