Stance Sock Size Chart Introducing an undercover training sock you can keep tabs on. The Isotonic Tab was built with equal attention to art and science to offer premium performance without sacrificing style. Stance used a special blend of sweat-wicking fibers that provide moisture management and paired it with specialized mesh panels that wrap from the top of the foot to the arches to promote breathability in hot conditions. Features: - 80/20 Moisture Wicking Fibers - Advanced Moisture Management - Breathable Performance Mesh - Anatomical Cushioning - Seamless Toe Closure - FEEL360(TM) Technology