The OS1st FS4 Crew Socks are perfect for keeping feet supported and comfortable when playing pickleball. Their Compression Zone Technology enhances comfort and minimizes risk of plantar fasciitis. Padding keeps feet cushioned without the bulk, and the nylon fabric wicks sweat away for odor control. Seamless construction and anatomical left/right fit provide the perfect fit. Benefit from the medical grade support and Y-Gore Heel for anatomical shape with the FS4 Crew Socks from OS1st. Wash cold, air dry, no bleach/softener. Sizing chart available.