The Flexispot Ergonomic office chair delivers 227kg weight capacity through its reinforced double steel tube frame construction. Built specifically for big and tall users, this heavy-duty chair provides wobble-free stability and lasting durability.
The wide thick seat cushion combines high-density foam with integrated spring support for balanced comfort during extended sitting sessions. The breathable mesh backrest promotes airflow while maintaining proper posture support.
90-degree flip-up armrests maximise workspace efficiency by allowing the chair to slide completely under desks when raised. The simple contemporary design suits home offices, professional workspaces and gaming rooms perfectly.
This chair supports up to 227kg (500lb), which is significantly higher than standard office chairs that typically support 120-150kg maximum. The reinforced double steel tube frame and heavy-duty base components are specifically engineered to handle this increased load capacity without wobbling or structural compromise. The enhanced weight rating makes it suitable for larger individuals who have experienced issues with standard chairs failing or becoming unstable over time.
The armrests flip up 90 degrees and attach directly to the backrest rather than the seat base. This design allows the chair to slide completely under desks when the arms are raised, maximising workspace efficiency. When lowered, they provide comfortable arm support without restricting leg movement. The backrest attachment point means the armrests tilt with you when reclining, maintaining consistent arm support throughout the range of motion.
The seat measures 57cm deep by 52.5cm wide with a height range starting at 12.5cm. The wide, thick cushioning accommodates larger body frames comfortably, though some users with wider builds may find it snug with the armrests down. The deep seat provides excellent thigh support, while the flip-up armrest feature allows users to adjust the effective width as needed for optimal comfort.
Assembly typically takes 20-45 minutes with clear, straightforward instructions included. All necessary tools and hardware are provided in the package. The design uses fewer parts than many office chairs, with heavy-duty components that fit together securely. Most users report the assembly process as simple and idiot-proof, though the chair components are heavier than standard models due to the reinforced construction.
The lumbar support is built into the backrest design but is not adjustable. The ergonomic contouring works well for many users, though some find the support positioned too high or too forward depending on their torso length and posture preferences. The headrest adjusts for height but may not extend high enough for very tall users with long torsos. Users requiring specific lumbar positioning may need to add additional support cushions.
The heavy-duty wheels work on most flooring types including carpet, hardwood and tile. The chair swivels and tilts extremely smoothly with silent operation, even under the full 227kg load capacity. The metal base and quality wheel bearings ensure consistent performance without squeaking or resistance. The substantial weight of the chair (20kg) provides stability while still allowing easy movement across different floor surfaces.
The mesh backrest provides excellent breathability, preventing heat buildup and sweating during extended use. The material maintains its shape while allowing continuous airflow, which is particularly beneficial for larger users who may experience more heat retention. The mesh combines ventilation with ergonomic support, though it offers less cushioning than fully padded backrests. The breathable design helps maintain comfort during long work or gaming sessions.
The chair uses alloy steel construction throughout the frame and base, with high-density foam and quality mesh materials. Customer feedback indicates solid, tank-like construction that feels reassuringly sturdy without creaking or flexing. The reinforced design is engineered for long-term daily use, with many components appearing more robust than standard office chair equivalents. The substantial build quality suggests years of reliable service, even under heavy daily use at maximum weight capacity.
| Brand | Flexispot |
| Model Number | Big Max Pro |
| Manufacturer Part Number | ErgoX |
| Maximum Weight Capacity | 227kg (500lb) |
| Item Weight | 20kg |
| Overall Dimensions | 57D x 52W x 108H cm |
| Seat Height | 12.5cm |
| Seat Depth | 57cm |
| Seat Width | 52.5cm |
| Item Dimensions | 50L x 70.5W x 111H cm |
| Frame Material | Alloy Steel |
| Seat Material | Mesh |
| Filling Material | Foam |
| Material Type | Alloy Steel, Foam |
| Back Style | Continuous |
| Back Style Name | Contemporary |
| Pattern | Solid |
| Arm Style | Rounded |
| Leg Style | Wheels |
| Form Factor | Office Chair |
| Reclining Positions | 1 |
| Age Range | Adult |
| Assembly Required | Yes |
| Indoor/Outdoor Usage | Indoor |
| Country of Origin | China |
| Unit Count | 1 |
| Colour Options | Black, Black Pro, Carbon Black Pro |
| Size Name | Big Max |
| Expert Assembly Cost | £71.00 per unit |