Design: Infused modernized materials in the upper for a structured, breathable lightweight feel that offers enhanced ventilation Rock plate at the heel helps cushion your foot on rough terrain A midfoot saddle helps keep your foot contained and secure for lateral movement and landing, so that you can hit the trail with confidence In-Shoe Comfort: Slim, cushioned collar provides soft comfort and a streamlined look Nike® React technology is a lightweight, durable foam that delivers a smooth, responsive ride Durability & Traction: A combination of high-abrasion rubber and mitton rubber in the outsole provides enhanced grip on ascents and descents, so you can stay connected to the trail even in wet weather Additional Details: Not intended for use as Personal Protective Equipment (PPE)