Thermal Vent Open Wrap ROM Hinged Knee Brace is designed with high quality hinges. Combines range of motion control with medial/lateral stability and comfortable compression for mild to moderate knee instabilities. The Range of Motion hinges offer exceptional support and stability after knee surgery and through post-operative rehabilitation. ROM Hinges have snap in flexion and extension stops (0°, 10°, 20°, 30°, 40°, 45°, 60°, 75°, or 90°), no tools required. Open wrap design provides adjustability. Engineered with MVT Micro Ventilated Thermal Technology. Thermal Vent Supports have a soft thermal lining that captures and retains your natural body heat to help relieve pain. The microventilated, breathable membrane is comfortable against the skin and provides a free flow of air which allows the skin to breath. With unsurpassed quality, these supports provide gentle compression and warmth to help reduce swelling and associated pain as well as promote recovery.