Updated for improved comfort, the Salomon Quest 4D 2 GTX features fresh design details and offers outstanding stability, grip, and protection when you're carrying a pack on wet, rocky trails. . 4D Advanced Chassis for foot control and protection with dynamic cushioning and stability. Molded EVA midsole provides lightweight, shock-absorbing cushioning and stability. Nonmarking Contagrip rubber outsole for optimal traction on varied surfaces. Gore-Tex waterproof, breathable membrane keeps water out and allows sweat to escape, keeping feet dry and comfortable. Nubuck leather and textile upper for durability, support, and breathability. Textile and 3D mesh lining for quick-drying comfort. Updated, more ergonomic tongue for improved comfort. Tongue gusset keeps water and debris from entering the boot. OrthoLite footbed with EVA-shaped heel cup adds cushion and support, wicks moisture, breathes, and resists odor. Rubber heel cap provides protection for the rear of the foot. Mud guard. Heel foam for comfort; heel strap. Improved stay-tied laces. High-cut profile for increased ankle support, stability, and protection.