Newton Women's MV2 Speed Racer Running Shoes Mesh Shaft measures approximately Low-Top" from arch Action/ReactionTM Technology in the Midsole - Absorbs impact and adds responsiveness through the patented dynamic movement system. Bio-mechanical Metatarsal Sensor Plate - Allows you to better sense the ground underneath your feet for an enhanced run. ETC Anti-Friction/Anti-Bacterial Sockliner - Prevents abrasion and the build up of odour-building bacteria. Fast-Drying Mesh - Highly breathable keeping moisture at bay. Slip-Proof Laces - Lightweight in design, prevent potential injury.