- Built for fast pursuits, the Ultra Fastpack III is loaded with new technologies
- Upper: TPU-coated woven mesh protects against trail debris
- Welded eyestay and quarter underlay for lightweight midfoot support
- Waterproof, breathable GORE-TEX® membrane
- TPU toe cap delivers rugged protection
- TPU heel overlay provides increased stability
- OrthoLite® footbed for long-lasting comfort
- Sole: Proprietary dual-density FastFoam™ midsole system for responsiveness and stability
- Energy-returning EVA underfoot with a more resilient perimeter to prevent packing out
- ESS midfoot shank for torsional rigidity and protection from stone bruising
- Durable Vibram® Megagrip outsole for sticky traction
