Designed, developed, tested and manufactured in Europe IATD Intelligent Asymmetric Tread Design Divided into three fundamental zones: Inner shoulder designed to give high contact pressures to promote balanced treadwear and enhanced wet grip Continuous central grooves to ensure efficient water clearance Wide continuous outer shoulder gives confident handling in both wet and dry conditions Highly loaded silica tread compound combined with state of the art polymer technology for excellent wet & dry traction and handling Optinoise technology to ensure a quieter ride 2 ply rayon casing and a tuned construction for crisp predictable handling Functional rim flange protectors to help protect your alloy wheels from damage Newly developed Tri-Arc mould shape for improved contact pressure distribution handling and balanced tread wear Tested throughout Europe on tracks and road: Dynamic high speed durability testing at the Nürburgring Wet and dry performance testing at locations in UK, Spain, Italy and Germany