The newton motion iv stability ladies running shoes are supportive and efficient trainers designed for heavy mileage usage by overpronating runners the mesh upper is breathable and seamless and features a modified flex zone over the metatarsals and instep for more comfort support and flexibility the high performing eva midsole offers great cushioning and comfort and has an extended medial bridge which increases stability for overpronators the biomechanical metatarsal sensor plate improves