GlideFit SI Extension Panel for Pelvic and Low Back Support
The Brace Align GlideFit SI Extension Panel increases the fit range of a compatible GlideFit SI Belt for broader waist coverage while maintaining low-profile, lightweight support. Built with padded, breathable materials and designed to keep a slim profile under clothing, it helps users who need additional length for secure sacroiliac stabilization.
Key Features
- EXTENDED FIT PANEL: Expands a compatible GlideFit SI Belt from 57 inches up to 66 inches total waist fit
- LOW-PROFILE ATTACHMENT: Slim hook-and-loop connection integrates with the existing belt while preserving alignment
- BREATHABLE PADDED CONSTRUCTION: Adds comfort without bulk for discreet all-day wear
- EASY INSTALLATION: Simple hook-and-loop attachment secures quickly and reliably
- FSA HSA ELIGIBLE: Use your Flexible Spending or Health Savings Account for this purchase.
Indications
- Sacroiliac joint dysfunction
- Pelvic instability
- including postpartum support needs
- Piriformis-related discomfort
- Chronic low back pain related to SI joint issues
Brace Direct’s Perfect Fit Guarantee
If you need fitting help, visit ourPerfect Fit Guaranteepage to schedule a free virtual fitting with our US brace specialists.
Sizes / Style
- Extension panel expands a compatible GlideFit SI Belt from 57 inches up to 66 inches total waist fit.
Sizing Guide
- Use a soft tape measure and wrap it around your waist at belly button level
- If your waist is over 57 inches, add this extension panel to reach up to 66 inches.
How to Wear / Fit
- Lay your SI belt flat with the inside facing up and the front closure centered
- Align the extension panel with the end of one waist strap so the hook-and-loop surfaces fully overlap
- Press firmly along the entire seam to secure
- Repeat on the other side if your configuration requires it
- Put the belt on as usual around the hips and lower back
- Fasten the front closure and tighten until snug but comfortable
- Check that the belt stays low across the hips and does not ride up when walking or sitting
- Re-adjust if needed.








