Steel Toe Thinsulate Lineman PacOur Thinsulate lined pac is slimmer and lighter alternative to felt pacs comes with our dual steel shanks for climbing comfort and support. This boot is unmatched by any other lineman boot of its kind. Our 100% handmade imported waterproof bottom has polyester and polyamid incorporated into the pure natural rubber, which prolongs the life of the boot. The heavy duty leather upper is handcrafted in Idaho and conforms to the leg . If you're a lineman