Light foam plus a grippy outsole equals comfort on tough terrain. Roam your favorite trail or go for that technical route you've always wanted to try in the Wildhorse 10. We upgraded the ride from the previous iteration to responsive ReactX foam. And our go-to trail traction pattern combines with a lightweight upper, so you can embrace tough terrain with confidence. Breathable Upper - The upper combines engineered mesh with open holes for breathability. Springy Foam - ReactX foam midsole gives you lightweight energy return. It's 13% more responsive than previous React technology. Nike Trail ATC Outsole - Nike Trail All Terrain Compound (ATC) rubber outsole provides enhanced grip on steep inclines and in wet weather while giving you a smooth ride on the road Product Details - Weight - Approx. 311g/11.0oz (Men's US 10). Heel-to-toe drop - 9.5mm. Reflective details. Not intended for use as Personal Protective Equipment (PPE).