Two large side splits paired with lightweight fabric allow you to run in full strides at top speeds

100% nylon shell

Design: Button-down cardigan with crew neck and T-sleeve insert

and a cozy fit

its 4-way stretch design guarantees comfort during every swing and serve

Topo Athletic | Specter 3 | Men's | Black/Blue endorphin pro 2 Two large side splits pairedThe 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