Ossur Formfit Air Tall High-Top Replacement Liner - CAM Walker Boot Insert
Replace the worn or soiled liner in your Ossur Formfit Air Tall CAM walking boot with a genuine OEM replacement. This is the official replacement liner insert designed specifically for the Formfit Air Tall (High-Top) boot.
Important: Match Your Boot Before Ordering
This liner is designed for the Ossur Formfit Air Tall (High-Top) boot only. It is not compatible with the Short/Low-Top version or the Rebound Air line. Check your boot model before ordering.
Your boot model is printed on the label inside the boot shell. If you have a Formfit Air Short boot, see the Short Replacement Liner instead.
Size Chart - Match Your Boot Size
Match the size on your existing liner or Formfit Air Tall boot label; order the same model and size.
| Size | Fits Boot Size | Part Number |
|---|---|---|
| X-Small | XS Formfit Air Tall | 12349 |
| Small | S Formfit Air Tall | 10675 |
| Medium | M Formfit Air Tall | 10678 |
| Large | L Formfit Air Tall | 10681 |
| X-Large | XL Formfit Air Tall | 12347 |
Cleaning & Care
Remove the liner from the boot before cleaning. Hand-wash with mild detergent, rinse thoroughly, and air-dry completely before reinstalling. Do not machine-wash, tumble dry, iron, bleach, or use fabric softener. Follow the instructions supplied with your walking boot.
Features
- Genuine Ossur OEM replacement - exact fit for the Formfit Air Tall boot
- Breathable, seamless liner - moisture-wicking comfort during extended wear
- Easy to install - slides into the boot shell without tools
- Maintains boot hygiene - replace when liner shows wear, odor, or compression loss
Shipping: Ships from NJ or CA warehouse in 2-3 business days based on your location.
OrthoTape.com is an authorized Ossur dealer. Authentic product. 6-month manufacturer warranty.

Shop All Ossur Cast Boots & Liners
Shop Cast Boots View Formfit Air Tall BootAuthorized Dealer | Authentic Product Quality Guaranteed
Frequently Asked Questions
Which boot does this liner fit?
This liner is designed specifically for the Ossur Formfit Air Tall (High-Top) CAM walking boot. It is not compatible with the Short/Low-Top version or the Rebound Air line.
How do I know what size liner to order?
Match the size printed on your existing liner or Formfit Air Tall boot label, then order that same size. Confirm that your boot is the Tall model. If the label is missing, check your original boot model and its shoe-size chart before selecting a replacement.
Is this a genuine Ossur part?
Yes, OrthoTape.com is an authorized Ossur dealer and carries only genuine OEM replacement liners sourced directly from Ossur.


