Keen Men's Size10 Dark Brown Leather Shoes(Some Scuffs On Leather) Free Shipping and pre-owned. Although there are some signs of wear on the insoles, outsoles, and bottom half, the shoes are in excellent condition with no unusual odors inside. Take a nice walk with these Keen Men's size 10 leather dark brown shoes. These shoes are perfect for most working conditions and casual occasions in the cool/mild months