0mm Drop - Completely neutral drop for the most natural running experience; Lightweight Breathable Materials - For a '2nd Skin' fit and feel; Roomy Toe Box - Anatomical toe box allows toes to spread naturally and comfortably; Vibram Outsole - Unparalleled grip and traction and durability from the leaders in technical outsoles; Cushion: Low; Underfoot Feel: Balanced; Support: Neutral; Stack Height: 10.5 mm; Heel to Toe Drop: 0 mm; Weight: 8.2 oz (M9); Best For: Trail Running, Walking