Puma Safety Athletic ESD Composite Toe Work Shoe 642565. The Men's Puma Safety work shoes are certified work safety shoes with a sporty edge. SD (Static Dissipative) construction allows static build up to safely discharge through shoes to floor. duoCELL cushioning help reduce impact forces with its shock absorbing power. The outsole is rubber and has strong traction for the tougher jobs. TCS system provides extra arch support to help control stability. ASTM F2413-05 PT Class 75 Protective Toe. Compliant with ASTM F2413-05 Static Dissipative Standards.