Walk into any leather goods store and you will see the word 'leather' on almost everything. Wallets, bags, belts, card holders — all leather. But not all leather is the same, and the difference between grades is not just marketing. It is the difference between something that lasts twenty years and something that peels apart in two.Here is what the grades actually mean, and why it matters for anything you plan to carry every day.Full-Grain LeatherFull-grain leather is the outermost layer of the hide, used exactly as it comes from the tannery. The natural grain surface is completely intact —...