GBF models are Bologna Comfort Flex Construction. Classic loafer with an updated penny keeper make for an updated look with traditional details. The Marble color is exquisite and stands out which can be worn with navy, grey, jeans, and khakis. The unlined finish gives it a soft feel for the warmer months or go in style during your vacation days. 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.