Downhill wire bead version has 2 ply construction and STICK-E Compound for better grip. Cross Country folding bead version is single ply with STICK-E Compound or DTC (Dual Tread Compound). Both versions have broad, low-profile knobs engineered to work great on hard packed trail conditions.
John Tomac Signature Series
Broad, low profile knobs designed to stick on hardpack or rocky terrain
Dual Tread Compound for durability and excellent cornering traction
Slow rebound Stick-E rubber helps tread conform to terrain