Increase comfort and reduce skin irritation when wearing your CTi knee brace with the Ossur CTi Undersleeve. Designed specifically for CTi braces, this soft, breathable black sleeve creates a smooth interface between your skin and the frame/straps to help prevent chafing, absorb perspiration, and improve overall fit. Easy to pull on and low-profile under clothing, the undersleeve is ideal for daily wear, sports, and rehab. Compatible with all Ossur CTi knee braces Moisture-wicking fabric for cooler, drier skin Durable construction for repeated use and washing Available in seven sizes to dial in the right fit How to size: Measure the circumference 6" (15 cm) above the mid-patella (kneecap) and choose your size from the chart below. Key Features Purpose-built undersleeve for Ossur CTi knee braces Breathable, moisture-wicking material to minimize sweat and friction Smooth seam design for all-day comfort Low-profile black color; easy to don/doff Multiple sizes for precise fit; latex-free materials typically used Indications Added comfort and skin protection under a CTi knee brace Helps reduce chafing, hot spots, and strap irritation Improves brace fit during sport, work, or rehab activities