This is a premium 13oz heavyweight colorfast slub denim, engineered with advanced reactive dyeing technology. Article number: UN88756.Unlike traditional indigo denim, which is designed to fade, this fabric is engineered to retain its original color. It is crafted from 100% cotton and dyed using reactive dyes, which form a powerful molecular bond with the fibers. This process results in superior, long-lasting color retention and makes the fabric highly fade-resistant, wash after wash.