Texas Jeans USA 100% Made in the USA Denim Jeans texas jeans® Our denim is woven with American cotton at the historic Mt. Vernon Mills, one of America's last standing denim mills. CUSTOM INSEAMS are available in most sizes. texas jeans® Our denim is woven with American cotton at the historic Mt. Vernon Mills, one of America's last standing denim mills. CUSTOM INSEAMS are available in most sizes.