KEEN Utility Men's Speedworks ESD Composite Toe Non Slip Breathable Durable Work Shoes

COMPOSITE TOE: Left and right asymmetrical, non-metallic carbon toes, a composite material, offer an unobtrusive fit and are 15% lighter than steel; The Speedworks work sneakers for men meet or exceed ASTM F3445 and F2413 M I/75 and C/75 Standards TRACTION: Oil- and slip-resistant, non-marking, rubber outsoles meet or exceed ASTM F1677 MARK II non-slip, and ASTM SATRA TM31 material abrasion testing standards; Heat-resistant rubber outsole rated up to 572°F/300°C ELECTROSTATIC DISSIPATIVE: Electrostatic dissipative (ESD) or Super-Static Dissipative (SD+) footwear is constructed to dissipate excess static electrical charges, protecting the workpiece MATERIALS: Athletic sole pattern keeps you light on your feet; Mesh liner provides breathability to help keep feet cool in warm environments; Lightweight nylon upper delivers on protection and breathability CONSTRUCTION: Cement construction provides flexible, lightweight performance while a mid-top design delivers classic sneaker style; Nylon shank for midfoot support; Reflective webbing for additional safety and visibility