Creating Horween Chromexcel Leather is a deeply involved and complex process that takes an exceptional level of skill and expertise. The formula has been around since the early 1900s and was perfected by the Horween company in Chicago. There are at least 89 separate steps involved in the creation of Horween Chromexcel Leather and the entire process takes 28 days from start to finish. The leather is done using naturally occurring pigments and the job is undertaken by only the most skilled leather workers. Over time Chromexcel leather will age beautifully and develop a unique character that reflects the life of its owner.