These runners feature exclusive Vibram® External Bedrock outsoles for ground-biting traction and stability over rough terrain. A 4mm offset midsole design also reduces stride impact for fatigue-reducing performance. Synthetic uppers with debris-blocking gusseted tongues and Pro-Lock frames for a secure fit. Premium sock liners with HydraMAX collar lining. Full-length ProGrid Lite midsoles and targeted SSL EVA shock-absorbing cushioning. Lace garages. Multidirectional lugs. Gaiter compatible. Imported. Men’s sizes: 8-13 medium width. Half sizes to 12.