- Engineered air mesh with 100% recycled yarns
- Compression molded EVA foam midsole
- SwallowTail® heel
- Hubble heel® geometry
- Vibram® Megagrip rubber outsole
- Anatomical Achilles construction
- Recycled polyester materials in collar, mesh, and laces
- Molded PU sockliner with 50% soybean oil
- Late stage Meta-Rocker
- 5mm lug