Take a fast hike or a slow run while surrounded by nature with the Merrell(R) Momentous trail running shoe. Knit and thermoplastic PU upper for comfort and durability without weighing you down. Features reflective details allow for increased visibility in low light and evening hours. Burrito tongue closure. Lightly padded tongue and collar. Breathable mesh lining. Cushioned footbed with M Select(TM) FRESH antimicrobial agents to reduce odors. Compression molded EVA midsole for better energy return and comfort. Hyperlock(TM) TPU molded heel counter for protection and better balance. TrailProtect(TM) rock plate offers underfoot protection. Vibram(R) MegaGrip(R) outsole with adaptive lugs for increased traction on outdoor trails. Differential: 4 mm. 5 mm lug depth. Weight of footwear is based on a single item, not a pair.