Puma Airtwist Safety Shoe Black/White 644657The NEW Puma Safety 644657 Airtwist Black White features Urban Effect Triple Density sole. The sole is consisting of two layered midsole of EVA and an EFFECT. FOAM for excellent cushioning providing up to 60% Active Energy Return and 47% less impact on bones and joints. This style has TPU ankle support element and is metal free. Water repellent suede leather upper with reflective elements 300c heat resistant rubber outsole The sole features an