This OTC knee stabilizer is made from Orthotex fabric, an open 3-dimensional knit that is a non-latex alternative to neoprene. It offers breathability, elasticity, therapeutic compression, comfort and heat control. It is less "hot" to wear than neoprene, thus appropriate for long term wear or wear in warm climates, and ideal for wearers who are allergic to or irritated by neoprene fabric.