Men's On Site Leather Memory Foam, Slip Resistant Work Boots in Black/Brown - Sizes 6-13 Leather Relaxed Fit design for a roomier, more comfortable fit and Memory Foam cushioning. Lace-up closure with metal eyelets. Padded Tongue and Collar. Goodyear welt construction delivers long-lasting durability. Removable comfort insole is cushioned with Memory Foam for all-day comfort and Traction Sole.