Bring comfort to your feet with every step you take by wearing the KEEN Utility Arvada Shift. The shoes have a textile upper, mesh liner for breathability, and a removable metatomical polyurethane footbed for added comfort. The shoes have a round-toe design, lace-up closure, and an ankle and tongue pull-on tab for easy donning and doffing. Safety Toe Type - Carbon Fiber Safety Toe ASTM rating - ASTM F3445-21 and F2413-18 M I/75 C/75 EH standards Slip Resistance Rating - Meets ASTM F2913-19 SATRA non-slip testing standards Electrical Hazard - ASTM F3445-21 and F2413-18 M I/75 C/75 EH standards Chemical Resistance Rating - ASTM D471-06 903# Meets ASTM F1677-96 Mark II non-slip testing standards Meets ASTM SATRA TM31 material abrasion testing standards Oil- and slip-resistant non-marking rubber outsole. Outsole Construction - Cemented Imported. Measurements: Heel Height: 1 1 in Weight: 1 lb 2.34 oz Circumference: 9 5 6 in Shaft: 5 10 11 in Platform Height: 2 5 in Product measurements were taken using size 9, width D - Medium. Please note that measurements may vary by size.