Big Rig Waterproof Comp Toe - Dark BrownBig time durability, wider widths, extended sizes. We built Big Rig from the ground up to give you the best foundation for on the job wear and tear. Designed to deliver extra support to workers who need it, this boot is heavier than our other work boots and has a roomier opening for more space to slip them on and off. Built to withstand harsh outdoor work environments like oil and gas exploration.