Cooper Discoverer AT3 LT with Durable Tread Technology hauls heavy loads with less wear and are built to endure the ongoing assault from dirt and gravel. This Discoverer AT3 LT Tire's shape is designed to strategically balance pressure at the tire-to-road contact area promoting even on-road treadwear and superior handling. The whisper grooves feature provides a sound barrier that reduces road noise. It's stone ejector ledges easily expel stones and gravel, protecting the tire from stones, drilling into the carcass and maintaining a clean tread for enhanced road traction. These Cooper Discoverer AT3 LT tires now 25% off and ships free.