VECTIV technology designed to maximize energy on the trail / Dual-density 3D TPU plate underfoot for multi-directional stability and forward propulsion / Rocker midsole geometry engineered to create long-lasting forward propulsion / Lightweight ground-contact EVA foam tuned for women / 6 mm toe-to-heel offset / Surface Control™ rubber outsole optimized for trail running / 3.5 mm lugs for a rugged grip across all types of terrain Sole Unit: VECTIV technology designed to maximize energy on the trail / Dual-density 3D TPU plate underfoot for multi-directional stability and forward propulsion / Rocker midsole geometry engineered to create long-lasting forward propulsion / Lightweight ground-contact EVA foam tuned for women / 6 mm toe-to-heel offset / Surface Control™ rubber outsole optimized for trail running / 3.5 mm lugs for a rugged grip across all types of terrain