Smooth center tread paired with light siping on the shoulders that transitions to diamond shaped micro knobbies on the corners from improved corning traction in packed dirt and gravel. Supple tubeless casing allows for lower pressure and improved traction. Light - Lighter weight compound conforms to trail objects while still providing a happy balance between low rotational weight and reliability. FR - Fast Rolling, with WTB`s Dual DNA rubber compound that optimizes efficiency, traction and durability, A firm, long-wearing centerline tread with softer side knobs. SG2 - Defends all surfaces of a tire by providing an uninterrupted layer of puncture protection from bead to bead. TCS - WTB`s Tubeless Compatible System, sealant based tubeless system with improved bead shape. DNA - Proprietary.