Walker Workwear Boots for Men for Sale | Shop New & Used 。Please notice the shoestrings do have some green on them, as well as the shoestring loop poles. Very minor nicks hardly seen. Basically new. Construction: These feature a Goodyear Welt (the visible white stitching connecting the upper to the sole), meaning they are high-quality and resolable. Sole Material: The heels are clearly marked as Neoprene, which is durable and oil-resistant. Materials: The tongue stamp confirms \"Leather Uppers\" and that they are indeed \"Made in U.S.A.\". Hardware: They feature heavy-duty brass-tone speed hooks and eyelets for quick lacing.