Women's Leather Jeans The number-one pick of celebrities, fashion influencers, and other VIPs the world over. J BRAND's premium leather designs are unmatched in softness, luxuriousness, and longevity. Worth the investment, these pieces are made of 100% lamb's leather that, whenever possible, is sourced from ethical leather farms and factories. The hand feel is unmatched, with a luxe, buttery touch against the skin. These pieces are literally made to last forever—ensuring that you will wear them and love them as long as you want.