Structured heel gives better stability
The Puma Safety 644627 Airtwist features a triple density sole, consisting of a two-layered EVA midsole, combined with EFFECT.FOAM which provides up to 60% Active Energy Return for maximum cushioning. This style is metal free, has a lightweight fibreglass toe cap, water-repellent suede leather upper, and a 300??c heat resistant rubber outsole.Treat yourself to fashion-forward cushioning with every step.