- Rearfoot GEL® Cushioning System attenuates shock during impact phase and allows for smooth transition to midstance.
- F.A.S.T.™ Drop is a low heel-toe differential that reduces the midsole weight to improve economy and encourage faster running.
- Rock Protection Plate prevents bruises from stones.
- Solyte® midsole material is lighter with enhanced cushioning and durability.
- Perforated sockliner improves breathability and moisture drainage.
- ASICS® High Abrasion Rubber in critical areas for exceptional durability.
- Trail Specific Outsole has reversed lugs that provide uphill and downhill traction on all types of terrain.
- DuraSponge® has rubber compound for enhanced cushioning and durability.