S-Ergo 305 Ultra Lightweight Ergonomic Wheelchair — Adjustable Height
Product Overview
The Karman S-Ergo 305 is an ultra-lightweight ergonomic wheelchair with an adjustable seat height and flip-back height-adjustable armrests — offering a near-custom fit without the custom price tag. Critically acclaimed by the Wheelchair Institute and built by Karman Healthcare with quick-release axles and a patented S-Shape seat frame, it's designed for long-term mobility users who need both adaptability and ergonomic support. Available in rose red and pearl silver.
Key Features
Product Highlights
The adjustable axle position allows seat height to be configured to match the user's leg length and transfer needs — a practical alternative to ordering an expensive custom chair. Flip-back armrests move out of the way instantly for table access or transfers, and their height is adjustable to match different arm lengths. The quick-release wheels make it straightforward to break the chair down to a compact size for car storage or travel.
Dimensions
Frame & Build
General
| Model | S-ERGO305 |
|---|---|
| Product Weight | 29.0 lb — Heavy — two-person lift recommended. |
| Assembly | Required — tools and instructions included. |
| Airline Approved | Yes — FAA Compliant |
| Certification | FDA 510(k) Registered CE Certified ISO 9001:2015 |
Shipping & Returns
| Shipping | Free — all 48 contiguous US states. No minimum. |
|---|---|
| Ships At | 44.0 lb |
| Returns | 30-day — new & unused in original packaging. Email support@ozzocare.com to start. |
Warranty Coverage
| Wear Parts | 0 days |
|---|---|
| Battery | 0 months |
| Upholstery | 0 months |
| Electronics | 0 years |
| Parts | 1 years |
| Frame | 999 years |
| Frame Warranty | Limited Lifetime Warranty |
What's Inside the Box
12 items included
Assembly Required
Minimal assembly required — quick and tool-free setup
Primary Use Cases
5 real-world scenarios for this product
🏠 Home & Indoor Mobility
Moves smoothly between bedroom, bathroom, and kitchen without fatigue or resistance. With a maximum open width of 27", this wheelchair clears any standard 32" interior doorframe with room to spare — no squeezing, no side-scraping, no frustration. The 7" front casters glide quietly across hardwood, tile, and carpet, making the whole house feel accessible again.
🏥 Doctor Visits & Medical Appointments
Built for the weekly realities of outpatient care. The 29 lbs aircraft-grade aluminum frame lifts easily in and out of car trunks, and the swing-away footrests allow you to pull right up to exam tables for quick, safe transfers. Rolls smoothly across clinic corridors and paved hospital walkways without any extra effort from your caregiver.
🌳 Outdoor Walks & Fresh Air
The 24" flat-free rear wheels handle paved sidewalks, ramps, and light outdoor terrain with stability and control. There are no tires to pump and no punctures to worry about — this chair is ready to go whenever you are. Whether it's a neighborhood walk, a trip to the pharmacy, or a visit to the park, it keeps up comfortably.
✈️ Travel & Car Transport
Folds completely flat in seconds with a simple cross-brace pull, folding down to just 12" in width. At 29 lbs, one person can lift and load it into any standard car trunk without strain. Available in 16", 18" seat widths supporting up to 250 lbs — making it practical for a wide range of users on the go.
⏳ Extended Sitting & Comfort Support
The globally patented S-Shape seat frame actively redistributes body weight away from pressure points during long sitting periods — reducing the risk of skin breakdown and discomfort that standard sling seats cause. AEGIS® anti-microbial mesh upholstery stays breathable and hygienic through full days of use, keeping odors and bacteria at bay for long-term users.
Detailed Information
Adults with permanent or long-term lower-limb disabilities who self-propel independently every day
Seniors managing age-related mobility decline who need a lightweight chair they can handle without caregiver help
Stroke and neurological recovery patients who retain upper body strength and propel independently
Parkinson's disease patients who benefit from the ergonomic S-shape seat for posture stability and reduced fatigue
Users transitioning from temporary recovery to long-term mobility who want a chair they'll still want to use in 5 years
Best Suited EnvironmentsHome-based daily users who navigate between rooms, doorways, and outdoor pathways independently
Outpatient medical appointment regulars who load and unload their own chair from vehicles
Active community users who want a chair light enough to fold and transport without assistance
Long-term care residents who self-propel and need a chair that supports posture across full days of sitting

























