Black An early iteration of Guidi's famous minimal backzip boots. The 788z features a double sole and a stacked heel for a bit of extra height and a unique rough sandy black coated treatment that is intended to wear off over time. This pair is in used condition with the price reflecting this, but with a new set of vibram on the bottom it will last you forever. The leather upper is still incredibly supple with no structural damage and the Excella zips pull buttery smooth.