100% nylon shell

Durability meets performance on the outsole

and a snug fit that’s perfect for everyday wear

and a cozy fit

Furthermore

Topo Athletic | Specter 3 | Men's | Black/Blue endorphin pro 2 100% nylon shellThe Topo Athletic Specter 3 is a max cushioned performance running shoe designed to make fast miles feel effortless. Built for runners who want lightweight speed with exceptional comfort, the Specter 3 blends superfoam cushioning, a smooth rocker geometry, and Topo's signature natural fit to excel during long runs, tempo workouts, and everyday training. The biggest upgrade comes underfoot with an all new full length RevFoam midsole. This supercritical