V12 Footwear IGS S3 HRO SRC Derby BootBison protects your feet from heavy falling or dropped objects with a composite toecap, and if you work on a site where nails, screws or other sharp items could be lying around, you get superb underfoot protection with a flexible composite midsole. And even better, because composite is lightweight, heavy and tired feet after a long shift wont be an issue. It also makes the boot metal free. But theres more. Bison offers outstanding comfort and support