Lacrosse SPOG 16 Olive Green NMT boot 426056 gives you a chemically tested work boot that protects against 28 industry chemicals, including many that are found in the hydraulic fracturing industry. SPOG features a seamless exterior of chemical resistant dipped latex neoprene with air mesh lining for comfort and airflow breathability. Adjustable back gusset and strap gives you a secure, snug fit in this 16 boot. Removable EVA footbed with fiberglass shank gives you cushioned comfort that is supportive when standing or walking for long periods. Non-metallic safety toe gives you impact and compression safety and protection when around large, heavy equipment. Electrical Hazard protection protects against electrical shock when around heavy, electrical objects and machinery. Vibram SPOG cup outsole features Vibram Megagrip compound for durability and grip on dry and wet terrain with tread patterns designed for maximum oil and slip resistance. Seamless exterior of chemical resistant dipped latex neoprene. Adjustable back gusset and strap. Non-metallic toe meets or exceeds ASTM F2413-11 M I/75 C/75 EH standards. This boot is Electrical Hazard rated and meets or exceeds ASTM F2892-11 EH. Comfortable air mesh lining. Removable EVA footbed. Fiberglass shank. Vibram Spog cup outsole featuring Vibram Megagrip compound for durability and grip on dry and wet terrain, combined with a tread pattern designed for maximum oil and slip resistance. Chemically tested against 28 industry chemicals, including many chemicals commonly found in the hydraulic fracturing industry. 16" height. 5.9 lbs per pair.