Knee Support / Knee Sleeve Prophylatic knee support brace or knee sleeve support products are designed to protect a person’s main asset, their knees. Protecting an athlete’s knee from injuries during sports or any type of athletic activity is very important as there is a good amount of stress and strain put on the knee during this type of vigorous activity.Ossur and DeRoyal have created a wide variety of different materials and designs for knee brace support to improve a persons comfort and protection.The knee sleeve support braces we carry provide warmth, protection, and help promote healing of typical mild injuries such as strains, sprains, and arthritis.