New Balance 20v7 Men's Training Shoes Energy Lime/Bolt/Black : Tackle more workouts, naturally in the New Balance 20v7 training shoes. This new update features a knit upper thats constructed with a nylon-infused yarn that offers lightweight protection and support during lateral movements. Part of this minimalist upper are monomesh window openings that provide increased ventilation and an asymmetrical collar made of a molded foam. The one-piece VibramA(R) outsole gives athletes a more natural and secure connection with the ground or mat under their feet. Upper: Features a new knit upper material with nylon-infused yarn. Monomesh windows help to increase ventilation. An Asymmetrical collar with molded foam allows for a more natural heel fit. Lace-up front offers an adjustable fit. Midsole: Features Meta support for a natural, close-to-ground feel. Outsole: VibramA(R) outsole provides maximum surface contact and multi-directional traction.