GBF models are Bologna Comfort Flex Construction. This timeless double monk strap with captoe detail and is ideal for the man that dresses up or down throughout the week. The marbled burnishing of rich dark browns pairs with suits, cotton pants and khakis. The Bologna construction is a historic shoe making technique of making shoes where the lining and insole is stitched together and then sewn to the upper. This construction is called “saccheto” meaning bag. It is very light and flexible which leads to very comfortable shoes from the initial wearing. Take these from work to bars any time.