Timberland PRO Men's Gridworks 8" Alloy Safety-Toe Waterproof Industrial and Construction Shoe Steel-toed Men's Size 10.5 Pre-loved These on-trend black work boots are built extra tough. The 100% waterproof membrane works together with the Waterproof Leather Uppers to keep your feet dry while on the job. These Gridworks boots have asymmetrical Safety Toe Caps that are made of a super-lightweight alloy that will protect feet. Fiberglass shank for structural support. Dual-purpose cast-metal top hardware. Mesh linings with antimicrobial treatment for odor control and comfortable feet. All-weather TPU outsoles have a flat wedge shape, low temperature formation to maximize traction on cold surfaces, and are oil, slip and abrasion-resistant.