Men's Fast-Trac Nitro 4 mendorphinazura Ultra-lightweight construction makes it ideal

Ultra-lightweight construction makes it ideal for running

a track spike built for pure speed

Ultra-soft top layer foam for instant relief

enhanced flexibility

This racing spike has a dual-density midsole that uses a firmer density foam in the forefoot for a responsive toe-off and softer cushioning in the heel for a forgiving landing

Men's Fast-Trac Nitro 4 mendorphinazura Ultra-lightweight construction makes it idealWhen the trail turns steep and technical, the PUMA Fast TRAC NITRO 4 is ready to move. This nimble trail runner is built for speed and control on rugged terrain, helping you stay confident on climbs, descents, and everything in between. An advanced NITROFOAM midsole delivers high rebound cushioning without adding unnecessary weight, giving you a responsive ride that stays light on your feet. Underneath, deeper lugs paired with durable PUMAGRIP ATR