Fit Tip: Altra recommends sizing up by ½ size for more volume, or if you are in between sizes. Conquer the trails with confidence in the Altra Timp 5. This trail shoe gives you everything you need to successfully run and hike in the great outdoors. Comfortable and cushioned enough to spend hours (or days) on your feet, it also offers incredible grip for technical terrain. We tested it on snowy roads and technical mountain trails and had nothing but praise for the traction of this shoe in our Altra Timp 5 review. Plus, Altra’s signature wide toe box gives your toes plenty of room to splay for better balance on uneven trails. Details Upper: An engineered mesh upper gives you plenty of breathability, while the toe guard gives you extra protection. Featuring Altra’s Standard Footshape™ Fit, these shoes have a great lockdown in the midfoot and a wider forefoot, allowing your toes to splay naturally. Midsole: Altra’s Ego™ Max midsole is comfortable and cushioned for the long haul.Outsole: The Vibram® Megagrip outsole gives you exceptional grip on both wet and dry surfaces.