Model Number: compression sock-C9I Brand Name: jiaxing Key Specifications/Special Features: Sizes: XS to XXL, 20 to 30mmHgRapid motion: available for basketball, tennis, badminton, snow ski and bike racingNano silver yarn fibers provides anti-bacterial and prevent odors, especially on heel/toe areaSpecial knitting cushion pad to absorb impact and prevent blisters on foot soleGraduated compression provides pressure lessens from ankle to calf

It will force the veins to be compressed in a healthy way

Optimized performance, stabilization and reduced muscle strain during doing dynamic motions

Using finest yarns, keep sweats evaporated and forming cushion function