Altra Men's Lone Peak 9 Bionica featuring XRD® Technology in the

featuring XRD® Technology in the heel strike zone to maximize shock absorption and reduce fatigue

irritation-free interior

these sandals offer the protection and longevity of a shoe in a breezy

Durable Construction: Built to withstand rigorous training

Casual socks

Altra Men's Lone Peak 9 Bionica featuring XRD® Technology in theTake on legendary adventures in a shoe designed to keep up. We reengineered the upper for more durability, improved the midsole, and updated the outsole for more grip. A revised midsole foam is lighter weight and designed to deliver a comfortable connection to the ground. No sew overlays and a 100% recycled ripstop mesh upper are made for high mileage durability while an improved outsole offers sticky underfoot grip. Get that classic Altra feel with