The Physiologix Essential Range is designed to deliver light support and maximum comfort without restricting movement. The range features an enhanced lightweight, breathable, durable stabilizer that provides support while helping to prevent re-injury. The ergonomic design provides uniform support and compression. The 360° stretch, contour design prevents slippage and ensures a proper fit. The re-enforced edges provide durability. The Physiologix Essential Knee Support is available in sizes to fit different knee measurements. Please measure around the centre of your knee to determine your size. Women's and men's sizes are available in Small (S) - 12-14 inches, Medium (M) - 14-16 inches, Large (L) - 16-18 inches, and Extra Large (XL) - 18-20 inches.