Ladders, weights, sprints and plyos. Whatever your regimen is, you need the Nike® Dual Fusion TR III OTR, a shoe that is as versatile as your workouts.Leather and breathable mesh upper ventilates to keep feet cool and dry.Internal support system in forefoot and heel for lightweight stability.DualFusion technology offers a softer underfoot cushioning system surrounded by a firmer density system for optimal training and comfort.Outsole flex grooves for enhanced flexibility.Solid rubber outsole with multiple traction patterns for a smooth, sure-footed stride on any surface.