washed cordovan open seam leather glovesthe open seam leather gloves, have been cut from a supple full grain 2. 7mm vegetable tanned, washed and tumbled cordovan leather, with an incredible array of texture, a waxy pull up and a rotten corpse flat matte black dye treatment. vegetable tanned leather is an ancient artisanal process that hinges on the delicate balance between timing and temperature. like a fine aged whiskey time is key, the careful balance of time allows the natural tannins