www.safetyandhealthmagazine.com/articles/14845-safety-toe-knee-boots

Safety toe knee boots
October 23, 2016
Flite Safety Toe Knee Boots, available in men’s sizes 4 to 15, have a composite safety toe that meets ASTM F2413-11 requirements for impact and compression. In addition, Flite Boots are rated for electric hazards. The boots also feature Aerex 1.5.5, a proprietary microcellular polymer that is self-insulating, chemical-resistant and durable.