Swiftwick- PURSUIT FOUR | Socks Built for Running & Cycling | Merino Wool, Comfortable Compression Socks MOISTURE WICKING, FAST DRYING: Soft, natural Merino Wool throughout the sock wicks moisture to keep you dry and comfortable year-round. CONTOURED COMPRESSION FIT: Designed to support the contours of your foot with a mid-compression level that adapts to multiple activities. No voids, bunching, or blisters. FLEX ZONES: Half-density weave prevents bunching at flex points. DOUBLE CUFF CONTRUCTION: Extra Support and protection for cycling and trail running. MADE IN THE USA: Swift Socks are designed and crafted in the USA