Swiftwick PURSUIT HIKE is designed for hikers who demand dry performance on the trail. The addition of Swiftwick's signature Olefin fiber to the proven outdoor performance of Merino Wool makes it the driest hiking sock in its class. Lightweight Olefin wicks moisture and dries quickly, while the unique structure of Merino Wool absorbs moisture without feeling soggy or losing the ability to regulate temperature. Light cushion designed to complement light hiking boots and lighter pack weights. The six-inch cuff crew sock is the perfect height to keep out trail debris. - Dual high-performance fibers maximize durability - Half Cushion Design - Seamless toe eliminates friction and irritation - 69% MERINO WOOL / 15% NYLON / 13% OLEFIN / 3% SPANDEX - Made in USA