NIKE Men Lunarglide 8 Shield Running Shoe - Bright Crimson Synthetic Rubber sole Water-resistant bootie helps keep your foot warm and dry. Lunarlon foam offers ultra-plush, responsive cushioning. Engineered mesh throughout the upper provides ventilation and support where you need it most. The mesh is finished with a durable, water-repellent (DWR) coating for lightweight protection in wet conditions. Dynamic Support platform provides comfortable stability without the added weight or stiffness of a traditional medial post.