Fish Monkey OTC Guide Series Merino Wool Socks Size:XL •White interior for greater interior Stocked with the essentials •White interior for greater interior visibility Unlike some other automatic bilge pumps Whether you're chasing gobblers or casting in the heat Features• Lightweight Merino wool and UltraSpun® polyester blend for breathability and odor resistance• Over the calf (OTC) height for compatibility with snake boots and waders• Arch and ankle compression zones for reduced foot and leg fatigue• Cushioned footbed for comfort and shock absorption• Ventilation panels for enhanced moisture management• Seamless toe construction to prevent chafing• Y gore heel for secure fit and anti slip performance• Naturally antimicrobial to resist odor buildup• Designed for warm climates and high exertion activity