Shazb0tYes the leather is full grain! Also, it is veg-tanned, which means it was dyed without the harsh chemicals that are typically used for dying leather. Also, the leather comes from the shoulder areas of the cow so it has a rich texture with authentic and aesthetic creases. The nature of veg-tanned and naturally textured leather is that no two wallets are exactly alike and have beautifully unique character. The billfold wallet weighs 2 oz, the slimfold wallet is 1.5 oz, and the weekender card case is 1 oz. The interiors of these wallets are lined with a buttery soft calfskin leather.