Created with the input of ultra-marathon runners, the New Balance Leadville V3 is built to go the distance. Breathable mesh upper with antimicrobial treatment on the collar. Gusseted tongue is sewn in place to keep out trail debris. Innovative REVlite midsole for durable, responsive cushioning. Vibram outsole allows maximum surface contact and provides multi-directional traction. Wt. 10.4 oz.