Phiten Compression Ti Socks Phiten Compression Ti Socks utilizes graduated compression design to prevent swelling and discomfort from staying on the feet for long periods of time. FEATURES Graduated compression is developed with higher compression fabric on the upper calf and lower compression fabric at the ankle, to gradually diminish in pressure going upwards. Uniquely Knitted Structural Fabric. A less stretchable, mesh fabric is used to enhance support on targeted muscles and other areas while also providing superior ventilation. Secure top band. Top band prevents the sock from sliding down. Reinforced toe knitting. Structured knitting prevents ripping at the toes. AQUA-TITANIUM® and AQUA-SILVER® infused. Permeated with AQUA-TITANIUM® and AQUA-SILVER®. Antimicrobial protection. AQUA-SILVER® has an antimicrobial property that helps to kill bacteria and odor. Moisture-wicking fabric. DETAILS Compression (upper calf): 16 hPa Compression (ankle): 30 hPa Size M: Shoe size 22–24 cm = Women's 4.5–6.5 Size L: Shoe size 24–26 cm = Women's 6.5–8.5, Men's 6–8 Size LL: Shoe size 25–27 cm = Women's 7.5–9.5, Men's 7–9 Material: 90% Nylon, 10% Polyurethane Other Phiten Compression Socks: Phiten Compression Open Toe TI Socks | Phiten Compression TI Socks Open Toe (Short) Made in Japan