Altra Olympus 6 - Men's Narrow while the ZipFoam™ midsole offers

while the ZipFoam™ midsole offers lightweight response

and lightweight comfort from top to bottom

and the closed-cell construction allows water to drain quickly

and endurance mile after mile

Altra Olympus 6 - Men's Narrow while the ZipFoam™ midsole offersConquer the trail in our plushest trail runner with improved durability so you can go all day. With cushion, grip, and our roomiest toe box, get comfort and confidence. We kept the max cushioned soft and responsive midsole foam design you love and updated the mesh upper, with a design to enhance breathability for long days on the trail. Get reliable grip with a Vibram Megagrip outsole, with an updated lug pattern for increased durability, stability,