Swiftwick &ndash; Socks for Snow Sports, PURSUIT TWELVE | Moisture Wicking Soft Merino Wool, Maximum Coverage and Support MOISTURE WICKING, FAST DRYING: Soft, natural Merino Wool throughout the sock wicks moisture to keep you dry and comfortable. 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. BREATHABILITY: Channels release heat and moisture to improve breathability. FLEX ZONES: Half-density weave prevents bunching at flex points. MADE IN THE USA: Swift Socks are designed and crafted in the USA