Additional Information Hankook DL15+The Smart Way verified Smart Flex DL15+ offers fuel efficiency and optimized traction performance for long and regional haul applications.HighlightsMain four zigzag grooves deliver great traction performanceCombined structure of rib and semi-block pattern provides excellent stability, which enhances both handling and fuel efficiencyWide closed shoulder enhances stability and fuel efficiency, allowing smooth wear3D sipes deliver even wear and optimized traction performance by reinforcing the interlocking between blocksBottom round edge sipes prevent cracks and tearing