The Georgia Giant Revamp steel toe waterproof pull-On work boot features a full-grain SPR leather and 900 denier nylon upper with leather pull tabs for an easy on. The steel toe cap is Ergo-Fit meaning it's shaped to match the contours of your foot to allow for a better range in motion. The heel has a Counter Lock System designed to prevent heel slippage for a more secure fit. The interior is lined in high performance mesh and equipped with the Georgia Waterproof System guaranteed to keep your feet dry when working in wet conditions. Also inside is the super cushioning removable AMP LT memory foam insole. The bottom of this pull-on steel toe boot is comprised of a double-ribbed steel shank for added durability an EVA midsole to cushion as you walk and a slip and oil resistant polyurethane outsole. It's constructed with a Goodyear® welt giving it an incredibly strong bond. There is no shortage of comfort and performance in this Revamp pull-on work boot! Georgia waterproof system Steel Toe Oil- and slip-resistant polyurethane outsole ASTM F2413 protective toe classification ASTM F2413 electrical hazard standard Double-ribbed, tempered steel shank Cushion EVA midsole 10 Inches in height 15-inch calf circumference Weight: 3.6 pounds per pair for a size 10 High performance mesh lining Ergo-Fit safety toe designed to match contours of feet, providing superior comfort and flexibility AMP LT insole with memory foam Goodyear® welt construction Full-grain SPR leather and 900D nylon upper Georgia Giant Revamp Steel Toe Waterproof Pull-On Work Boot GB00319 BROWN