Cooper discoverer at3 xlt LT275/60R20 123/120S bsw all-season tire. Cooper discoverer at3 xlt LT275/60R20 123/120S bsw all-season tireThe beginnings of Cooper date back to 1914 in Akron, Ohio, when two brothers-in-law John F. Schaefer and Claude E. Hart formed a company to produce tire patches, tire cement and tire repair kits. Schaefer and Hart purchased The Giant Tire & Rubber Company of Akron, a tire rebuilding business, and shortly thereafter moved the business to Findlay, Ohio.,Established in 2014 in Findlay, Coopers Global Technical Center is a worldwide center of excellence for tire science and technology deployed around the globe. Along with the continuous improvement of our tires, Cooper performs rigorous testing at our facility near San Antonio, Texas. At Cooper, we believe that manufacturing a quality product is key to ensuring your peace of mind. All Cooper tires are backed by a standard or premium limited warranty, and select products are also backed by a 45-day road test or mileage warranty, helping to give you peace of mind on the road. While we aim to supply accurate product information, it is sourced by manufacturers, suppliers and marketplace sellers, and has not been provided by Overstock.