Carbon Fiber Knee Brace Support For ACL PCL MCL

Key Features

• Carbon Fiber Telescoping Frame: Built with a lightweight carbon fiber support structure that delivers rigid knee stabilization without the bulk of heavier metal-framed braces. The telescoping frame adjusts from 19″ to 24″ to suit adult leg length requirements.
• Adjustable ROM Locking Hinge Dial: The side hinge features a locking range-of-motion dial that lets you fine-tune movement control in 10-degree increments, with flexion adjustment from -10° to 120° and extension adjustment from -10° to 90° for structured recovery support.
• Medial or Lateral Offloading Design: This brace can be configured to wear on the inside or outside of the knee, allowing targeted unloading for either medial or lateral compartment pressure depending on your support needs.
• Four Wide Hook-and-Loop Stabilizing Straps: The brace uses a multi-strap wrap system above and below the knee to create a more secure hold across the thigh and calf, helping reduce shifting during walking and daily movement.
• Non-Slip Strap Lining: Each adjustable strap is designed with a non-slip lining to help the brace stay in position and maintain a custom orthotic-style fit throughout wear.
• Open-Frame Knee Structure: The open design around the knee reduces bulk over the kneecap area while allowing the hinge system and frame to guide movement more precisely during flexion and extension.
• Push-Button Angle Control Hardware: The hinge includes visible adjustment points for quick range setting changes, making it easier to tailor the brace for rehabilitation stages, post-injury support, or motion restriction protocols.
• High-Capacity Thigh Fit: Adjustable straps accommodate up to a 32″ thigh circumference, giving the brace a broader fit range than standard knee sleeves or basic hinged supports.

Suitable For

• ACL injury recovery and stabilization
• PCL injury support during rehabilitation
• MCL injury management and ligament protection
• Medial or lateral chronic knee instability
• Mild to severe unicompartmental knee osteoarthritis
• Bone-on-bone knee pain relief support
• Meniscal cartilage derangement support
• Articular cartilage defect repair recovery
• Avascular necrosis or tibial plateau fracture recovery support
• Walking, desk work, daily chores, and indoor or outdoor events

Size Guide

This brace is designed as an adjustable adult fit with a telescoping frame and wide strap range.

Sizing Tips:

• Measure your thigh circumference at the widest point where the upper strap will sit to confirm it is within the 32″ fit range.
• The telescoping frame should be adjusted so the hinge aligns with the natural center of your knee joint before tightening the straps.
• Tighten the four straps evenly above and below the knee for balanced support without pinching.
• If you plan to use the brace over thin clothing or for extended walking, recheck strap tension after the first few minutes of wear.

Product Specifications

Package Includes

• Ober KN-31 Carbon Fiber Knee Brace × 1

Frequently Asked Questions

Q1: How does the range-of-motion hinge work on this brace?
A: The brace uses an adjustable locking dial at the knee joint that lets you set controlled movement in 10-degree increments. It adjusts from -10° to 120° for flexion and from -10° to 90° for extension, which is useful for staged rehabilitation and movement restriction.

Q2: Can this brace be used on either the inside or outside of the knee?
A: Yes. This design can function as either a medial or lateral offloading knee brace, allowing you to position it to help reduce pressure on the side of the knee that needs support.

Q3: What makes this different from a regular hinged knee brace?
A: This model uses a rigid carbon fiber frame with a telescoping length design, a large ROM adjustment hinge, and four wide stabilizing straps. That combination provides a more structured orthotic-style fit than soft sleeves or basic dual-hinge braces.

Q4: Will the brace fit larger thighs?
A: The adjustable strap system is designed to fit up to a 32″ thigh circumference, making it suitable for a broad adult fit range compared with many standard knee supports.

Q5: How do I choose the right size if it is one size?
A: Start by checking two measurements: your leg length requirement against the 19″ to 24″ telescoping frame range, and your upper thigh circumference to ensure it is within the 32″ maximum fit range. Then adjust the frame and straps for alignment and comfort.

Q6: Is this brace suitable for ACL, PCL, and MCL injuries at the same time?
A: It is designed specifically for ligament-related support, including ACL, PCL, and MCL injuries, as well as chronic instability. The rigid frame and ROM hinge help limit excessive movement while supporting the knee during recovery.

Q7: Can I wear this brace for everyday activities, not just rehabilitation exercises?
A: Yes. It is intended for practical daily use such as walking, desk work, daily chores, and indoor or outdoor events while providing structured support to the knee.

Q8: Should I use this brace without medical advice?
A: For general support, many users wear it during recovery and daily activity, but for post-surgical protocols, fracture recovery, severe ligament injury, or specific ROM settings, it is best to follow guidance from a qualified healthcare professional.