The Ortho+ Plantar Fasciitis Sleeves are the latest CEP innovation for pain and discomfort in the heel/sole from overexertion. Medical grade compression around the instepClose fit and low profile combines with socks and shoesOpen toe design for comfort and heat managementArch support and protection against strains Targeted 25-30mmHg medi compression supports the arch and relieves the plantar fasciaKnit massage zone for improved circulation in areas prone to overexertion Superior comfort thanks to anatomical design and breathable synthetic fabric Material: 73% Nylon (Polyamide), 11% Polyester, 16% Elastane Measure the circumference of your mid-foot and the narrowest point of your ankle.