Long Distance Running Shoes - Engineered for distance, the Arc'teryx Norvan LD 4 delivers lightweight durability, breathability and all-day comfort. Plus, the tongue pocket keeps laces tidy and snag-free. Trail Running Shoes Men Trust - Built for long hauls across rocky trails, mud and roots, this men's trail running shoe features a Vibram Megagrip outsole to power through varied terrain. Designed For Serious Performance - The abrasion-resistant upper and 4mm mud-shedding lugs make these trail running shoes for men unstoppable through a range of conditions. Unparalleled Comfort - The dual-density midsole cushions every step while providing stability on unstable ground, making these mountain running shoes ready for high-output adventures. Find Your Perfect Fit - For the default Comfort Fit, choose the size equal to your measured foot length. If you prefer a performance-oriented Precision Fit, choose a half-size smaller. For a close Technical Fit, choose 1 full size smaller.