Men's Altra Lone Peak 9 Singlet The outsole combines 6 spikes

The outsole combines 6 spikes and a shockwave pattern that's designed from athlete data

The blend is at least 10% recycled fibers or at least 10% organic cotton fibers

Chasing a personal record after years of racing the field and the clock

Supportive cushioning provides steadiness for everyday runs

Perfect in changeable conditions

Men's Altra Lone Peak 9 Singlet The outsole combines 6 spikesTake on legendary adventures in a shoe designed to keep up. Altra 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