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Genuine Replacement Part

Aircast Airselect Standard Liner & Insole Kit

This official Aircast replacement kit is specifically designed for the Airselect Standard walking boot, ensuring a perfect, factory-spec fit. By replacing the liner and insole, you restore the original comfort, hygiene, and support essential for your continued recovery.
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Quality Construction & Complete Kit

Constructed from a durable blend of nylon, polyurethane, and polyester, this liner kit is engineered to withstand daily use during your recovery. It includes both the primary liner and the supportive insole, ensuring a complete restoration of your boot’s interior fit and comfort.

Revitalize Your Walking Boot's Comfort

Restoring your walking boot’s comfort and hygiene promotes a cleaner, more comfortable recovery environment. This genuine replacement helps maintain proper support and fit, which is essential for effective healing.
A person easily sliding a fresh, clean Aircast liner into the shell of a walking boot.

Secure, Comfortable Fit

Maintains a snug, secure fit within the walking boot shell for consistent therapeutic support.
A side-by-side comparison of a worn Aircast liner and a brand-new replacement liner.

Enhanced Hygiene & Freshness

Fresh liners reduce odors and promote better hygiene during extended wear periods.
A person with a walking boot resting comfortably on a couch, wearing a clean liner.

Continuous Recovery Routine

Allows you to clean one liner while wearing another, minimizing downtime from your recovery regimen.
Ideal For

When to Use This Replacement

A close-up of a visibly worn, stained, and compressed grey Aircast liner removed from a walking boot.

Extended Recovery Periods

Replace a worn-out, stained, or odorous liner that has deteriorated after months of daily use in your walking boot.
A fresh, clean white Aircast liner being held, contrasting with a used grey one in the background.

Enhanced Hygiene Needs

Maintain better foot hygiene during recovery, especially if you sweat heavily or need to keep the boot clean and fresh.
Two identical clean Aircast liners placed side by side on a white surface, ready for rotation.

Convenient Spare for Rotation

Have a backup liner ready for cleaning rotations, minimizing downtime from your prescribed wearing schedule.
A new Aircast liner being measured against the interior of a walking boot shell to ensure a proper fit.

Restoring Original Fit

Ensure a snug, proper fit if the original liner has stretched or become compressed, affecting support.
A walking boot being prepared with a new, clean liner for a different user.

Preparing for Shared or Reuse

Prepare a walking boot for a second family member or for reuse by installing a fresh, clean interior.
A loaner walking boot being fitted with a fresh, clean Aircast liner for a new user.

Refurbishing a Loaner Boot

Replace the liner of a loaner or donated walking boot to make it comfortable and sanitary for a new user.
Simple Installation

Restore Your Boot in Minutes

Hands removing a worn, grey Aircast liner and insole from the interior of a black walking boot shell.

1. Remove Old Components

Before installation, remove the old, worn liner and insole from your walking boot shell to create a clean interior space for the new components.
Hands aligning a new, clean Aircast liner into the interior of a black walking boot shell.

2. Position the New Liner

Align the new replacement liner with the interior of the boot shell. Press it into place, securing any integrated Velcro tabs to ensure a smooth, wrinkle-free fit.
A hand placing a contoured insole into the bottom of a walking boot shell on top of a new liner.

3. Insert the Insole

Place the matching insole into the bottom of the walking boot on top of the liner’s base. Ensure it lies flat for optimal foot positioning and support.
What Customers Say

Trusted by Those in Recovery

Customers consistently praise this liner for its exact fit, quality, and the convenience it provides for maintaining their recovery routine. Many note it feels identical to the original and appreciate having a spare for continuous use.
This is the exact liner that came with my shell. It was already 'Velcro'd' together to fit the boot perfectly. The insole was included and easy to install. It works just as needed, restoring the original comfort of my boot.
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RecoveryUser22
I ordered a second liner which arrived quickly and was exactly as advertised. Having a spare means I can throw one in the washer and wear the other, making a huge difference for hygiene and convenience during my long-term use.
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SteadyPacer
I bought this for my daughter's boot and it fits perfectly. Switching was straightforward, and she now has a clean, nice-fitting liner. It made a significant difference in her comfort during the day.
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BootsAndBands
Works just like the original. The fit is perfect and the quality is on point. I am very pleased with this product for my recovery. It is highly recommended for anyone needing a reliable replacement.
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HealingStep
Ordering was easy and the item arrived promptly. This replacement meets my expectations and helps keep my boot fresh. I would consider buying from here again and am happy with this practical solution.
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WalkItOff
Questions & Answers

Everything You Need to Know

An Aircast liner and insole laid out next to a walking boot, showing the complete kit.
This liner and insole kit is specifically designed as a replacement for the Aircast Airselect Standard walking boot. It is explicitly noted as not indicated for the Airselect Elite model, so please verify your boot model before purchasing to ensure compatibility.
To find your correct size, match the liner size to the size printed on your walking boot. The sizing chart provides Men’s and Women’s shoe size equivalents: XS (Up to 4 Men’s / Up to 5 Women’s), S (4-7 Men’s / 5-8 Women’s), M (7-10 Men’s / 8-11 Women’s), L (10-13 Men’s / 11-15 Women’s), and XL (13+ Men’s / 15+ Women’s).
The kit includes both the soft inner liner and the separate insole for your walking boot. Both components are sized to match your boot size to ensure a complete and proper fit for restoring comfort and support.
While the exact cleaning instructions may vary with wear, the durable nylon/polyurethane/polyester construction is designed for regular use. Many users purchase a second liner to rotate, allowing one to be washed while the other is in use, which helps maintain freshness.
Based on customer feedback, this is the exact liner that comes with the original boot shell. Users report it is pre-assembled with Velcro for a perfect fit and installs easily, working just as needed to restore the boot’s original comfort and functionality.
Yes, the high-quality materials and precise sizing ensure this liner provides the same adjustable, comfortable support as the original. This maintains the therapeutic benefit of your walking boot by ensuring a consistent, secure fit that aids in proper healing.
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