The Original SWAT Classic 6" SZ combines lightweight construction with superior protection and durability. These boots meet the ASTM F2412-11 and F2412-11 standards for electrical hazard protection, as well as the ASTM F489-96 test for slip resistance. With a custom molded thermoplastic heel counter and toe box, you'll receive maximum agility and support right out of the box with no break-in period necessary. The midsole is made with custom molded phylon for a lightweight, comfortable fit with a Texon stability platform insole for lateral support. Fastened with a YKK zipper and Velcro closure for easy putting on and taking off, these boots provide non-stop support and comfort even during long hours on your feet.