The breathable Thorogood AST Low work shoe has the durable construction and all day support you're looking for to get the job done. Lace-up Composite Safety Toe work sneaker meets ASTM F2412/2413-2011 I/75 C/75 EH (electrical hazard) safety standards. Compression-resistant round toe, slip-resistant outsole passes the ASTM F2913-19 safety standards. Durable knit upper and D01 mesh lining; Padded collar and tongue for added comfort while in motion; Removable mesh and EVA insole with heat transfer logo. Supportive EVA midsole, flexible rubber outsole. Style numbers: 509-0100 (Blue), 509-0102 (Orange), 509-0101 (Teal), 509-6100 (Charcoal), 509-0103 (Pink), 509-5100 (Red), 509-1100 (White/Pink), 509-0104 (Pink/Blush), 509-9101 (Light Blue).