The Olympus 5 is Altra's plushest trail runner, with the grip and comfort you need for all-day adventure. “Extremely Comfortable” “Excellent Grip” “Anti-slip”, the Olympus 5 aims to achieve perfection and push the almost perfect shoe to a higher level. Olympus 5 retains many of the previous releases features and this update enhances the fit and stability of the shoe. The new design of the collar position enhances cushioning and heel fixation, while increasing the range of motion of the ankle. It integrates a number of ALTRA's iconic technologies, including the wide toe-box Original FootShape Fit, which enables the toes to spread naturally, enhancing balance and provide a better toe-off experience; it help you ready to tackle all terrain with max cushion offers underfoot protection. With a breathable engineered mesh upper and a grippy outsole, you can keep enjoying your running all day. Technical Specifications: