・The sole has a support function to reduce the burden on your feet. ・ "Compression specification" Graduated compression design from the ankle to the knee to support the feet, which tend to accumulate fatigue. ・Non-slip effect for secure footing. ・Recommended for those who stand for long periods of time. - Color: Black - Size: 22-24cm Length: Approx. 33cm, Opening: Approx. 10cm (laid flat) - Material: Polyester, Nylon, Polyurethane - Compression pressure: Ankle/24hpa, Calf/16hpa Purchased in October last year. Worn about twice, then home cleaned and stored. Selling because I no longer have the opportunity to wear them. Thank you for your understanding of used items. Thank you for viewing.