Executive Series
Luxury Ergonomic Mesh
Luxury Ergonomic Mesh
Swivel Executive Office Chair
Model HKM-761811
Engineered for the modern professional, the HKM-761811 redefines what an office chair can be. With a breathable mesh backrest, integrated footrest, and precision ergonomic adjustments, it delivers uncompromising support through the longest workdays while maintaining a sleek, contemporary silhouette that elevates any workspace.
Designed Around You
Every detail of the HKM-761811 has been meticulously considered to support your body, enhance your workflow, and complement your environment.
Breathable Mesh Backrest
High-tensile woven mesh promotes continuous airflow, dissipating heat and moisture to keep you cool and dry even during extended periods of seated work.
Adaptive Lumbar Support
A precisely contoured lumbar zone cradles the natural curve of your lower spine, actively encouraging healthy posture and reducing strain on your back muscles.
Integrated Footrest
A smoothly deployable footrest lets you recline and reposition your legs, promoting circulation and offering a relaxing posture shift during calls, reading, or reflective pauses.
Precision Height Adjustment
A premium gas-lift mechanism allows smooth, stepless height customization from 18.5 in to 22.4 in (47 cm to 57 cm), ensuring your feet rest flat and your thighs remain parallel to the floor.
Advanced Mesh Ventilation Technology
The HKM-761811's backrest utilizes a multi-layered high-elasticity polyester mesh with an open-cell structure. This design creates thousands of micro-ventilation channels that actively wick away body heat and humidity. Independent laboratory testing on comparable mesh architectures has demonstrated surface temperature reductions of up to 3.6°F (2°C) compared to solid foam-backed chairs after four hours of continuous sitting. The result is a chair that feels fresh at 9 AM and remains comfortable well past 5 PM, even in warm office environments or during intense focus sessions. The mesh is also inherently resistant to dust accumulation and is easily cleaned with a damp cloth, maintaining its appearance and performance for years.
Spinal Alignment & Posture Preservation
Poor sitting posture is a leading contributor to chronic back discomfort among office workers, with studies indicating that over 54% of desk-based professionals experience lower back pain annually. The HKM-761811 addresses this with a sculpted lumbar support zone that mirrors the physiological lordotic curve of the human spine. Unlike generic lumbar pads that push indiscriminately, this chair's support is strategically positioned to engage the erector spinae muscles gently, promoting an upright, neutral spine alignment without forcing rigidity. The flexible mesh conforms dynamically to micro-movements throughout the day, allowing your back muscles to engage and relax naturally—a principle known as active sitting that has been shown to reduce fatigue and improve core muscle endurance over time.
Retractable Footrest for Dynamic Comfort
A standout feature of the HKM-761811 is its integrated retractable footrest, which extends smoothly from beneath the seat to provide a stable platform for your legs. Extending approximately 15.7 in (40 cm), it allows you to adopt a semi-reclined position that shifts your center of gravity and relieves pressure on the lumbar discs. This is particularly beneficial during phone calls, video conferences, or short breaks when you want to remain seated but change your posture. The footrest is padded with a dense foam layer wrapped in durable upholstery, and it tucks away discreetly when not in use, preserving the chair's clean, executive profile. Alternating between upright and reclined positions throughout the day is recommended by occupational health specialists to stimulate circulation and reduce the risk of deep vein thrombosis associated with prolonged static sitting.
360-Degree Swivel & Smooth-Rolling Casters
The HKM-761811 is built on a robust 360-degree swivel base that allows effortless rotation, so you can reach every corner of your workspace without twisting your torso or straining your shoulders. The chair sits atop a set of five dual-wheel nylon casters engineered for smooth, quiet rolling across hardwood, laminate, tile, and low-pile carpeted surfaces. Each caster is rated for continuous use and incorporates a precision ball-bearing assembly that minimizes friction and noise. The base itself is constructed from reinforced nylon with a wide 25.6 in (65 cm) diameter footprint, providing exceptional stability even when the chair is fully reclined. The swivel mechanism is tested to over 100,000 rotation cycles, ensuring reliable performance throughout the chair's lifespan.
Technical Specifications
Detailed dimensions and material specifications for the HKM-761811.
Seat Width
20.1 in (51 cm)
Seat Depth
18.9 in (48 cm)
Backrest Height
27.6 in (70 cm)
Height Adjustment Range
18.5 – 22.4 in (47 – 57 cm)
Weight Capacity
300 lbs (136 kg)
Base Diameter
25.6 in (65 cm)
Mesh Material
High-Elasticity Polyester
Footrest Length
15.7 in (40 cm)
Built for Every Workspace
From corporate headquarters to home offices, the HKM-761811 adapts seamlessly to your environment.
Corporate Office
Project authority and professionalism with a chair that matches your ambition.
Home Office
Transform your remote workspace into a productivity sanctuary with ergonomic comfort.
Executive Suite
A refined presence that complements premium interiors and high-end furnishings.
Why Ergonomics Matter
Understanding the science behind the design helps you make an informed investment in your health and productivity.
The Cost of Poor Seating
Research published in occupational health journals indicates that workers who sit in non-ergonomic chairs for more than six hours daily are 40% more likely to report musculoskeletal discomfort. Over time, poor seating can lead to chronic conditions including sciatica, tension headaches, and reduced lung capacity due to compressed diaphragms. The HKM-761811 is engineered to mitigate these risks through its adaptive lumbar support, breathable mesh, and customizable positioning, making it not merely a chair but a long-term investment in your physical well-being.
Active Sitting: The New Standard
The concept of active sitting—where the chair encourages subtle, continuous micro-movements rather than locking the body into a single static position—has gained significant traction among ergonomics experts. The HKM-761811's flexible mesh backrest responds to your body's natural shifts, engaging stabilizing muscles and promoting blood flow. This dynamic support model has been associated with improved concentration, reduced fatigue, and better overall comfort compared to rigid-back chairs that force a fixed posture.
Thermal Comfort and Productivity
Studies from the field of environmental ergonomics demonstrate a direct link between thermal comfort and cognitive performance. When the body overheats—common with foam and leather chairs—cognitive function can decline measurably. The HKM-761811's full-mesh backrest provides passive cooling that helps maintain an optimal microclimate around your body, supporting sustained focus and decision-making accuracy throughout the workday.
Frequently Asked Questions
Quick answers to common inquiries about the HKM-761811.
What is the recommended user height range for this chair?
The HKM-761811 is designed to comfortably accommodate users between approximately 5 ft 2 in (157 cm) and 6 ft 4 in (193 cm) tall. The seat height adjustment range of 18.5 in to 22.4 in (47 cm to 57 cm) combined with the generous backrest height ensures proper support for a wide range of body types. For individuals outside this range, we recommend testing the chair to ensure optimal ergonomic alignment.
How durable is the mesh backrest over time?
The high-elasticity polyester mesh used in the HKM-761811 is rated for over 80,000 hours of continuous use without significant sagging or loss of tension. It has been tested under accelerated wear conditions simulating 10+ years of daily office use. The mesh is also UV-resistant, reducing degradation from sunlight exposure, and its open-weave structure prevents the accumulation of dust and debris that can degrade foam-based backrests.
Can the footrest support substantial weight?
Yes. The footrest is constructed with a reinforced steel frame and high-density foam padding, independently tested to support up to 110 lbs (50 kg) of static load. This is more than sufficient for the weight of an adult's legs in a reclined position. The deployment mechanism uses a smooth sliding track with a locking latch that secures the footrest firmly in place during use.
Is assembly required, and how complex is it?
The HKM-761811 ships in a single carton with all components, hardware, and tools included. Assembly typically takes 20 to 30 minutes for one person following the illustrated instruction manual. The process involves attaching the casters to the base, inserting the gas lift, mounting the seat plate, and securing the backrest and armrests. All bolts use the included Allen key, and the instructions feature clear step-by-step diagrams. No additional tools are required.
What type of flooring is compatible with the casters?
The dual-wheel nylon casters are suitable for hardwood, laminate, vinyl, tile, and low-pile carpeted floors. They roll smoothly and quietly across all these surfaces. For high-pile carpets or delicate flooring such as soft pine or bamboo, we recommend using a chair mat to protect both the floor and the casters. The casters are also replaceable with aftermarket roller-blade style wheels if you prefer an even softer rolling experience.
How do I clean and maintain the mesh backrest?
Maintenance is straightforward: wipe the mesh backrest with a soft, damp cloth and mild soap solution as needed. For deeper cleaning, a gentle vacuum with a brush attachment can remove any accumulated dust from the mesh weave. Avoid harsh chemicals, bleach, or abrasive scrubbers. The seat cushion upholstery can be spot-cleaned with a fabric-safe cleaner. With basic care, the HKM-761811 will maintain its appearance and structural integrity for many years.
Purchase with Confidence
Every HKM-761811 is backed by comprehensive coverage designed to give you complete peace of mind.
Free Shipping on All Orders
Complimentary standard shipping on every HKM-761811 order with no minimum purchase required.
180-Day Purchase Protection
Extended coverage against manufacturing defects for a full six months from the date of delivery.
30-Day Money-Back Guarantee
If you are not completely satisfied, return the chair within 30 days for a full refund—no questions asked.
24-Month Warranty Service
Comprehensive two-year warranty covering all mechanical components, gas lift, casters, and frame integrity.
Nationwide Service Network & Support
With over 3,600+ authorized service centers across the United States, we ensure comprehensive after-sales support for your product, giving you complete peace of mind.
We understand that maintenance needs may arise. When you purchase from us, you gain access to our unparalleled service ecosystem designed for maximum convenience and reliability.
1. DIY Repair & Parts Replacement:
For minor repairs or part replacements that can be handled personally, we provide cost-price genuine parts during the warranty period. Each order is accompanied by clear, step-by-step video tutorials to guide you through the self-repair process seamlessly.
2. Professional Servicing:
For issues requiring expert attention, simply contact our support team. We will locate the nearest authorized service center based on your order and location details. You only need to bring your product to the designated center. Once servicing is complete, we will notify you for pickup. All repairs are free during the warranty period; afterward, only cost-based fees apply.
Every product on Hekomart.com is expertly curated from thousands, quality tested, and lifestyle approved. Elevate your everyday.
Express Delivery Priority - Where Speed Meets Satisfaction
At Hekomart.com, we understand the anticipation that comes with every online order. While most platforms rely on standard economy shipping, we prioritize your excitement by strategically selecting premium express carriers to accelerate deliveries. Our intelligent logistics system analyzes real-time data to optimize routes, partnering with globally-recognized couriers like DHL, FedEx, and UPS to ensure 30% faster doorstep arrivals* than industry averages.
Every package receives 24/7 tracking visibility and proactive delivery updates, transforming waiting time into confidence. For time-sensitive purchases, our "Expedited Service Guarantee" offers optional priority handling at no extra cost, because your satisfaction isn't just a goal – it's the core of our delivery DNA.
*Based on internal 2025 data comparing standard shipping durations across major platforms. Delivery times vary by destination and customs procedures.
Credit Card 180 Days Purchase Protection
The 180 Days Purchase Protection protects the buyer if an item purchased has not been shipped or if a shipped item is significantly not as described by the seller. The 180 Days Purchase Protection covers all purchases and payments made through our website. We accept Visa, Master Card, American Express, and Discover Card. If you don't receive the item that you ordered, or it shows up significantly different from its description, you may qualify for Purchase Protection, and we'll reimburse you for the full purchase price plus any original shipping costs, subject to terms and limitations. If you are charged for a transaction that you didn't make, let us know within 60 days, and we've got you covered.
30 Days Money-Back Guarantee
We are confident that our products are of great quality and even better value. However, if upon receiving and inspecting your item you decide that you want to return it, you will have 30 days as of the date of shipment arrival to return it for a refund minus the shipping cost. No restocking charges. Any additional fees associated with a purchase transaction will be deducted from the amount of the refund.
24-Month Extended Warranty Service
If you purchase products from our website, you have 24 months to request repairs or replacement if any products turns out to be faulty or are not as advertised. During the warranty period if any product is found to have a manufacturer defect, we will repair or replace the defective part(s). If a product cannot be repaired or replaced within a reasonable time, you can request a refund or price reduction. We are confident that our products are of great quality and even better value. However, if upon receiving and inspecting your item you decide that you want to return it, you will have 30 days as of the date of shipment arrival to return it for a refund minus the shipping cost.
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