A Filson x Blundstone exclusive featuring a new outsole in Avalon(R) Gecko TPU for engineered performance. The Terrain boot combines brand heritage since the 1870s both rugged, durable and functional. Limited quantities. Premium weatherproof oiled and waxed nubuck. New outsole in Avalon® Gecko TPU for ultimate grip and engineered for performance and sustainability. Dual-branded leather pull tabs. Leather and synthetic lining. Polyurethane midsole. XRD® in the heel for supreme shock absorption. Blaze Orange on the inside of the elastics and Comfort Arch Footbed.