The Southwick II builds upon the success of the original Southwick. There is no better tire for soft sandy conditions! Designed for sand and mud conditions. Front and rear tread pattern offer tall knob depths for deep bite. Large radius support at knob base reduces knob roll in soft areas with hard base. Wide space between rows self-cleans tread even at slow speed. Standard compound allows for increased wear durability and offers quick warm-up on cement start pads. Lightweight 4-ply rated casing structure with reinforced sidewalls. Tire Specifications: Speed/load rating: 59M. Overall diameter (inches): 26.10. Section width (inches): 4.60. Maximum load (pounds): 536 @ 20 PSI. Tread depth (mm): 17.00. Weight (pounds): 11.45. Construction: Tube type.