These professional Hoffman Pro-Series Winter Pac Calk Boots are specifically designed for the timber industry. The spiked calk soles allow for maximum traction in the woods, especially on frozen, wet and slippery logs, allowing you to safe access to areas that normal vibram soled boots cannot. Hoffman Pro-Series hand-made waterproof rubber bottoms are constructed with a layer of polyester and polyamid to help slow chain saw penetration and cracking. They come with the toughest, most durable bottoms in the industry. The contour leather uppers are made with premium 7 oz tanned leather cut to fit the curvature of your leg. A removable 200g thinsulate liner provides warmth. Heel counters, toe caps and replaceable calks are all standard features. This is the non-steel toe version. Made in the USA.