Longitudinal grooves optimize flexibility for heel-to-forefoot transitions, most comfortable trail running shoes.

• Durable and breathable engineered mesh uppers
• GaiterTrap hook-and-loop tabs allow for easy strapless gaiter attachmentwithout fasteners, bungees or bindingsto keep debris out of your shoes (gaiters not included)
• Altra Original Fit offers roomy toe boxes and zero drop, built to keep you comfortable and keep you running
• Original Fit is the roomiest of the 3 fit options from Altra
• Premium Achilles pillows for an elevated step-in feel
• Plush, compression-molded EVA foam in the midsoles
• Updated underfoot lug pattern for extra confidence
• Vibram Megagrip high-performance sticky rubber offers unparalleled grip on both wet and dry surfaces, rugged longevity and optimal ground adaptability

Closed-cell foams repel moisture absorption in consistently humid environments, cold weather trail running shoes.