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Experience Ultimate Comfort and Mobility with the Karman S-Ergo 115 Lightweight Ergonomic Wheelchair
The Karman S-Ergo 115 Wheelchair is our best-selling model—and for good reason. Weighing only 25 lbs., this ultralight wheelchair combines exceptional portability with advanced ergonomic comfort. Its globally patented S-Shaped Seating System is engineered to promote healthy posture, enhance pressure relief, and improve weight distribution, helping reduce the risk of skin breakdown during long periods of sitting.
The S-Ergo 115 also features detachable footrests for convenience and easy transfers, along with removable cushions treated with AEGIS® anti-microbial coating to keep your seating surface fresh, clean, and odor-free. Designed for both comfort and performance, this wheelchair is ideal for users seeking a stylish, durable, and ergonomic mobility solution that delivers all-day support and ease of use.
Designed for Comfort, Built for Everyday Freedom — Discover the Smart Features of the Karman S-Ergo 115
- Ergonomic Design: Thoughtfully crafted for comfort and ease of use, every contour and component is placed exactly where you need it for effortless mobility and support.
- Patented S-Shaped Seating System: Enjoy superior posture alignment and pressure relief with Karman’s globally patented S-Ergo design—engineered to enhance comfort and reduce fatigue during extended use.
- Comfortable Armrests: Fixed ergonomic arm pads provide a natural resting position for your arms, reducing strain and adding stability while you sit or move.
- Swing-Away Footrests: Easily swing the footrests in or away for smooth transfers or compact storage—removable for added convenience and travel flexibility.
- Built-In Storage Pouch: A handy backrest pouch is integrated into the upholstery, perfect for keeping personal belongings within easy reach.
- Smooth-Rolling Front Casters: Durable 7" x 1" polyurethane casters ensure a stable and comfortable ride across various surfaces.
- Flat-Free Rear Wheels: 24" x 1⅜" polyurethane tires with ergonomic handrims offer easy self-propulsion and maintenance-free durability—no more flats or pumping air.
- Custom Seat Sizes: Available in 16"x17", 18"x17", and 20"x17" options to accommodate a range of users comfortably.
- Antimicrobial Cushions: Seat and back cushions are treated with AEGIS® antibacterial technology, helping maintain freshness and hygiene by preventing odor and bacteria buildup.
Karman S-Ergo 115 Wheelchair Specifications
| Seat Width | 16, 18, 20 in. |
| Seat Depth | 17 in. |
| Armrest Height | 8 in. |
| Back Height | 17 in. |
| Overall Height | 36 in. |
| Overall Open Width | 23, 25, 27 in. |
| Folded Width | 12 in. |
| Overall Length | 39 in. |
| Weight (Without Riggings) | 25 lbs. |
| Weight Capacity | 250 lbs. |
Karman S-Ergo 115 Wheelchair Warranty
Frequently Asked Questions (FAQs)
What is the weight of the S-Ergo 115, and how easy is it to transport?
The S-Ergo 115 weighs approximately 25 lbs. (without footrest riggings), making it one of the lighter manual wheelchairs in its class. It features a folding frame and a fold-down backrest so you can collapse it to a compact size for car trunks, storage, or travel.
What is the maximum user weight (weight capacity)?
This wheelchair supports up to 250 lbs. of user weight.
Does it offer any ergonomically beneficial features (e.g. for posture or pressure relief)?
Yes — one of the major selling points is its patented S-Shape Seating System, designed to better distribute weight, reduce pressure points, and promote healthier posture. Its cushions are also removable and treated with AEGIS® anti-microbial coating to help maintain hygiene and comfort.
Is the Karman S-Ergo 115 suitable for travel or daily transport?
Yes. Weighing only 25 lbs., the S-Ergo 115 is one of the lightest full-featured wheelchairs available. Its foldable frame and quick-release components make it easy to store in a car trunk or take on trips.
Can the seat cushions be removed for cleaning?
Absolutely. The AEGIS®-treated seat and back cushions are fully removable, allowing for easy cleaning and maintenance. The anti-microbial coating helps prevent odor, bacteria, and moisture buildup.