UPPER/LINING
• Trail Running Sprint Blast

• Pigskin leather upper

• Full grain leather upper (black/grey)

• Pigskin collar/tongue lining

• Aerodynamic Slipstream Fin™

MIDSOLE/OUTSOLE
• 4.5mm Ortholite® anatomical footbed treated with Aegis®
antimicrobial technology

• Nylon 6.6 injection molded arch shank

• In-Board™ compression molded EVA footframe

• Air cushion midsole

• Merrell Sprint™ Sole/Trek Rubber