Thanks to its patented Dual Resistor SD technology, Reebok’s RB5442 athletic-style safety shoe meets SD10 static dissipative standards, protecting sensitive electronic devices from static electric discharge. Like other Flexagon Force XL work shoes, it is lightweight with a metal-free composite toe cap (ASTM F2413 rated), a cushion midsole and slip-resistant outsole with flex groove tread. Men’s sizes 8–12, 13, 14, 15, 16, 17 and 18 in 4E; 8–12, 13, 14, 15, 16 and 17 in 6E.