High Lifter Out & Back Max'D Tire The Out & Back Max is imbued with a unique V lug design, purposed for delving into the depths of muddy terrain while still ensuring a seamless ride on firm, packed surfaces. With a central tread depth of 5 inches and shoulder measurement reaching up to 2.0 inches, riders can experience minimal psi operation and the greatest degree of flotation. Whether the carcass is built in 6-ply or 8-ply, this formidable tire is engineered to effortlessly guide you to your destination and safely back home. Features: 9-inches wide, made specifically for 20-inch wheels Aggressive V lug tread digs deep while offering smooth ride on hard pack surfaces Stepped, 1.5-inch to 2.0-inch tread blocks Lightweight, aggressive, and 8-ply rated Deep rim guard protects your wheel investment