Propper Series 100 8in Side Zip Comp Toe Boots - Men's Coyote 10.5W. Series 100 8 Side Zip Composite Toe Boots are AR-670 and AFI 36-2903 military compliant and based on true U.S. sizing. This boot also augments the highly successful Series 100 line with a ASTM F2413-11 rated safety toe that meets or exceeds I/75 and C/75 Impact and Compression Resistance and EH Electric Hazard. The arch design resists wear and tear from ladders and fast-roping. The size zipper and speed lacing system allows for quick put-on and take-off. An anti-microbial lining promotes breathability and blocks odor-causing bacteria to boost the freshness and extend the life of the boots. The high-quality cattle hide suede and nylon materials will stand up over time to keep you moving. Features of Series 100 8in Side Zip Comp Toe Boots - Men's: Engineered using true US sizing for superior fit with excellent weight distribution for all-day comfort ASTM F2413-11 rated safety toe that meets or exceeds I/C 75 Impact and Compression Resistance and EH Electric Hazard Friction-resistant speed lacing system with 550 paracord lacing Arch design resists wear from ladders and fast-roping Open cell air mesh foam provides full foot air circulation for maximum comfort Breathable liner wicks and regulates temperature treated with Aegis to prevent odor Oil- and slip-resistant rubber outsole for excellent traction and impact absorption NTOA member tested and approved Free optional fit inserts included Imported Package Contents: Propper Series 100 8in Side Zip Comp Toe Boots - Men's Propper F45333N23610.5W: Series 100 8in Side Zip Comp Toe Boots - Men's Coyote 10.5W