Advanced low-profile design with premium-knit, high filament materials that feature odor-reducing microbial resistant treatment. We’ve added a seamless toe box for greater comfort with less friction and an additional layer of fabric for Achilles Tendon protection and ankle support. Features flow zone air channels, which allow for greater ventilation and increased moisture wicking to maximize performance. An advanced heel pocket with a grab tab and integrated arch helps to support compression for greater fit, stability, and support. Measure by shoe size.