Ossur Rebound Air Cast Boot – Tall High Top | Air Cast Boot & Pneumatic Walking Boot
The Ossur Rebound Air Tall Cast Boot is a premium pneumatic air cast boot with an integrated air bladder for adjustable compression and edema control. This medical boot features a tall high-top design that extends above the ankle for maximum immobilization — ideal for ankle fractures, severe sprains, Achilles tendon injuries, and post-operative ankle and lower leg rehabilitation. For the short/low-top version, see the Rebound Air Short.
What this is (and what people call it)
This is a removable cast boot with an integrated pneumatic air bladder. Many patients call it an air cast boot, air cast, fracture boot, or orthopedic boot. It fits either the right or left foot — no side selection needed. The Rebound Air is Ossur’s higher-tier walking boot line compared to the Formfit Walker.
Short vs. Tall — Which height do I need?
- This boot (Tall High-Top) — Extends above the ankle for maximum immobilization. Best for ankle fractures, severe sprains, Achilles injuries, or post-surgical ankle rehab requiring more support.
- Rebound Air Short — Lower profile, best for forefoot injuries, toe and metatarsal fractures, or when less ankle restriction is needed.
🦺 Returning to Work? Closed-Toe Medical Boot for Workplace Use
The Ossur Rebound Air Tall Cast Boot features a fully enclosed, closed-toe design that covers and protects the toes during recovery, making it suitable for patients who need to return to work in closed-toe footwear environments.
⚠️ Important Disclaimer: This boot is a medical orthopedic device and is not officially OSHA-certified or OSHA-approved footwear. It does not carry an ASTM F2413 safety toe rating. Whether it satisfies your specific workplace policy must be determined by you, your employer, and your occupational health or safety officer. Consult your treating physician regarding return-to-work status and activity restrictions.
Size Chart & Fit Guide
Universal fit — fits left or right foot.
⚠️ Important: These Cast Boots Fit a Size Range — Not a Single Shoe Size
The extra room allows for bandaging, swelling, post-surgical dressings, and thick socks common during recovery. When in doubt, go up a size.
| Size | Men's US Shoe | Women's US Shoe | Calf Circumference | Internal Foot Length | Boot Height | Part Number |
|---|---|---|---|---|---|---|
| X-Small | 2 – 4 | 3.5 – 5.5 | Up to 13" (33 cm) |
8.86" (22.5 cm) |
15.75" (40.0 cm) |
B-242900001 |
| Small | 4 – 7 | 5.5 – 8.5 | 13" – 15" (33 – 38 cm) |
9.84" (25.0 cm) |
15.75" (40.0 cm) |
B-242900002 |
| Medium | 7 – 10.5 | 8.5 – 12 | 15" – 17" (38 – 43 cm) |
10.83" (27.5 cm) |
17.72" (45.0 cm) |
B-242900003 |
| Large | 10.5 – 12.5 | 12 – 14 | 17" – 19" (43 – 48 cm) |
11.81" (30.0 cm) |
17.72" (45.0 cm) |
B-242900004 |
| X-Large | 12.5 – 15 | 14 – 16.5 | 19"+ (48+ cm) |
12.60" (32.0 cm) |
18.50" (47.0 cm) |
B-242900005 |
* Calf circumference: measure at the widest point of your calf. If your calf measurement puts you in a larger size than your shoe size, size up.
Clinical Indications (as prescribed)
- Ankle sprains (Grade 2 and Grade 3)
- Stable ankle, foot, and lower leg fractures
- Achilles tendon injuries and repairs
- Tendon and ligament sprains
- Post-operative ankle and lower leg rehabilitation
- Soft tissue injuries with associated edema
Features & Benefits
- Tall high-top design — extended ankle and lower leg coverage for maximum immobilization
- Integrated pneumatic air bladder — adjustable compression as swelling changes
- Dual-density rocker sole — shock absorption and natural gait
- Breathable liner — moisture management for extended wear
- Fully enclosed closed-toe shell — covers and protects toes during recovery
- Universal fit — fits right or left foot
HCPCS Codes: L4361 (with air) | L4360 (without air) | FSA/HSA Eligible
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. Use as directed by a licensed healthcare provider.
Frequently Asked Questions
What is an air cast boot and how is it different from a regular cast?
An air cast boot (also called a pneumatic boot or CAM walker) is a removable medical boot with an integrated air bladder that provides adjustable compression around the foot and ankle. Unlike a traditional plaster or fiberglass cast, an air cast boot can be removed for bathing and skin care, and the compression can be adjusted as swelling changes throughout recovery. Your doctor or orthopedic surgeon will determine whether an air cast boot or a traditional cast is appropriate for your injury.
What ankle and foot conditions is the tall cast boot used for?
The Ossur Rebound Air Tall Cast Boot is prescribed for ankle fractures, Grade 2 and Grade 3 ankle sprains, Achilles tendon injuries and post-surgical repairs, stable lower leg fractures, and post-operative ankle rehabilitation. The tall high-top design provides greater immobilization of the ankle joint compared to a short boot, making it the preferred choice when the ankle itself is injured rather than just the forefoot or toes.
What does the pneumatic air bladder do and how do I use it?
The integrated pneumatic air bladder applies gentle, even compression around the foot and ankle to control edema (swelling) and improve fit as swelling changes throughout the day. Pump until you feel firm, comfortable compression — not tight or painful. Release air by pressing the valve if the boot feels too tight, especially in the morning when swelling is typically lower.
How long will I need to wear a cast boot after an ankle fracture or sprain?
Most Grade 2–3 ankle sprains require 4–6 weeks in a cast boot. Stable ankle fractures typically require 6–8 weeks or longer. Achilles tendon repairs may require 8–12 weeks of progressive boot use. Your orthopedic surgeon or podiatrist will monitor healing with follow-up imaging and advise when it is safe to transition out of the boot.
Can I wear a cast boot at work if my employer requires closed-toe footwear?
The Ossur Rebound Air Tall Cast Boot features a fully enclosed, closed-toe design. Many patients have successfully used this boot to satisfy their employer’s closed-toe footwear requirement during recovery. However, it is not officially OSHA-certified or OSHA-approved and does not carry an ASTM F2413 safety toe rating. Whether it satisfies your specific workplace policy must be determined by you, your employer, and your occupational health or safety officer.
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