Ossur Rebound Air CAM Walking Boot – Short Low Top | Pneumatic Fracture & Foot Boot
The Ossur Rebound Air Short CAM Walking Boot is a premium pneumatic controlled ankle motion (CAM) boot with an integrated air bladder for adjustable compression and edema control. The short low-top design is ideal for forefoot injuries, toe fractures, metatarsal fractures, and post-operative foot rehabilitation where a full-height boot is not required. For the tall/high-top version, see the Rebound Air Tall.
What this is (and what people call it)
This is a removable CAM walker boot with an integrated pneumatic air bladder. Many patients call it a cast boot, air cast boot, or fracture 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 (Short Low-Top) — Lower profile, best for forefoot injuries, toe and metatarsal fractures, or when less ankle restriction is needed.
Rebound Air Tall — Extends higher above the ankle. Best for ankle fractures, severe sprains, or Achilles injuries requiring more immobilization.
🦺 Toe Bumper & Workplace Footwear Considerations
The Ossur Rebound Air Short CAM Boot has a circumferential shell and a trimmable, semi-soft toe bumper for added coverage. It is medical walking footwear, not a substitute for certified protective-toe work shoes. Confirm your workplace footwear requirements with your employer and treating clinician.
⚠️ Important Disclaimer: The Ossur Rebound Air CAM 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 this boot satisfies your specific workplace or employer's footwear policy is a determination that must be made by you, your employer, and your occupational health or safety officer. Consult your treating physician regarding your return-to-work status and any activity restrictions.
Size Chart & Fit Guide
Universal fit — fits left or right foot.
⚠️ Important: These Boots Fit a Size Range — Not a Single Shoe Size
CAM walking boots accommodate a range of shoe sizes — the extra room allows for bandaging, swelling, post-surgical dressings, and thick socks common during recovery.
- At an exact size boundary, choose the larger size; follow your clinician's fitting recommendations.
- Choose the larger size if you have significant swelling or thick bandaging.
When in doubt, go up a size.
Understanding the measurements: Internal footbed length and internal boot height are approximate dimensions measured inside the boot. Footbed length runs from the inside heel toward the toe; boot height runs from the inside heel/footbed to the upper edge. These are not outside measurements from the ground or bottom of the sole. Calf circumference refers to a measurement around your leg.
| Size | Men's US Shoe | Women's US Shoe | Calf Circumference (Leg) | Internal Footbed Length | Internal Boot Height | Part Number |
|---|---|---|---|---|---|---|
| X-Small | 2 – 4 | 3.5 – 5.5 | Up to 12" (30.5 cm) | 9 1/16" (23.0 cm) | 7 1/2" (19.0 cm) | B-242900061 |
| Small | 4 – 7 | 5.5 – 8.5 | 12" – 14" (30.5 – 35.6 cm) | 10 1/8" (25.7 cm) | 8 1/4" (21.0 cm) | B-242900062 |
| Medium | 7 – 10.5 | 8.5 – 12 | 14" – 16" (35.6 – 40.6 cm) | 11 1/4" (28.5 cm) | 10 1/4" (26.0 cm) | B-242900063 |
| Large | 10.5 – 12.5 | 12 – 14 | 16" – 18" (40.6 – 45.7 cm) | 11 13/16" (30.0 cm) | 10 1/4" (26.0 cm) | B-242900064 |
| X-Large | 12.5 – 15 | 14 – 16.5 | 18"+ (45.7+ cm) | 12 1/2" (31.8 cm) | 10 1/4" (26.0 cm) | B-242900065 |
* 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)
- Metatarsal and toe fractures
- Stable ankle and foot fractures
- Grade 2 and Grade 3 ankle sprains
- Post-operative foot and ankle rehabilitation
- Soft tissue injuries with associated edema
Features & Benefits
- Pneumatic air bladder — adjustable compression for edema control
- Short low-top design — lower profile for forefoot and midfoot conditions
- Rocker bottom outsole — promotes natural gait
- Breathable liner — moisture management for extended wear
- Universal fit — fits left or right foot
- Fully enclosed closed-toe shell — covers and protects toes during recovery
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
Can I wear a CAM walking boot at work if my employer requires closed-toe footwear?
The Rebound Air Short has a circumferential shell and a trimmable, semi-soft toe bumper for additional coverage. It is not ASTM F2413-rated protective-toe footwear. Confirm your workplace rules with your employer or safety officer, and follow your treating clinician's activity restrictions.
What is a metatarsal fracture and how does a CAM boot help it heal?
The metatarsals are the five long bones in the midfoot that connect the ankle to the toes. Metatarsal fractures are among the most common foot injuries, often caused by a direct blow, a fall, or repetitive stress (stress fractures). A CAM walking boot immobilizes the foot and ankle to prevent the fractured bone from shifting during healing, while the rocker bottom sole allows a more natural walking gait. Most metatarsal fractures heal within 6–8 weeks in a CAM boot, though healing time varies based on fracture location, severity, and patient health factors.
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.
Can I walk normally in a CAM boot, and do I need crutches?
The rocker bottom sole of the Rebound Air is specifically designed to promote a more natural heel-to-toe gait while wearing the boot. Most patients with stable fractures or moderate sprains can bear weight as tolerated — your doctor will specify your weight-bearing status. Crutches may be recommended initially for pain management or if you are non-weight-bearing. As healing progresses, most patients transition to full weight-bearing in the boot before returning to regular footwear.
How long will I need to wear a CAM boot after a foot or ankle fracture?
Most stable metatarsal fractures require 4–6 weeks in a CAM boot. Ankle fractures may require 6–8 weeks or longer. Stress fractures typically require 4–8 weeks depending on location and bone density. Your orthopedic surgeon or podiatrist will monitor healing with follow-up X-rays and advise when it is safe to transition out of the boot.
Can I shower or get the CAM boot wet?
The CAM boot itself is water-resistant but should not be submerged. For showering, most clinicians recommend removing the boot and using a waterproof cast cover or shower chair to keep the foot dry and protected. Never walk on wet surfaces in the boot without caution — the rocker sole can be slippery on wet floors. Always follow your surgeon's specific instructions regarding bathing and wound care during recovery.
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