Sizing: Measure around center of knee, across kneecap. 12.0-15.5 in/30.4-39.3 cm. See product care on bottom of package. Easy to Apply: 1. Place foot in sleeve. 2. Pull up to center oval over knee cap. Product Care: Hand wash, cold. Do not bleach. Line dry. Air dry. Do not iron. Do not dry clean. Do not use fabric softener.