From the website: “The most comfortable sweatpants you'll ever own. All of our products go through an intense breaking-down process that gives them a vintage feel you'll love because it's broken in from day one of wearing it. You're going to live in these sweats.” - Hand sewn in Los Angeles - Tri-Blend Fabric: 50% Cotton, 37% Polyester, 13% Rayon - Machine wash cold with like colors. Hang or tumble dry on low.