So fine and supple that they have been often marketed like a novelty, encased inside of a walnut shell, samples of these exist in various personal and public collections. Crossgrain Leather: Crossgrain leather stands out for its longevity because of its grainy floor, which can help cover scratches and blemishes. https://oxford-shoes-men18295.pointblog.net/5-essential-elements-for-mens-leather-upper-shoes-77074959