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HKM-931411 Ergonomic High Back Mesh Office Chair with Adjustable 7D Armrests and Contemporary Design
HKM-931411 Ergonomic High Back Mesh Office Chair
Engineered for enduring comfort and refined aesthetics — a workspace essential that harmonizes breathable support with precision adjustability.
Model: HKM-931411 | Professional Grade | Designed for All-Day Use
Where Comfort Meets Productivity
The HKM-931411 redefines what an office chair should be. Its high backrest aligns your spine, the breathable mesh keeps you cool, and the 7D adjustable armrests adapt to your every movement — so you can focus entirely on what matters most.
Advanced Breathable Mesh Backrest
Continuous Air Circulation
The high-tensile polyester mesh features an open-weave structure that promotes constant airflow, effectively dissipating body heat and reducing perspiration buildup — even during marathon work sessions exceeding 8 hours.
Temperature-Regulating Comfort
Unlike traditional foam or leather chairs that trap heat, the mesh backrest actively regulates your microclimate. This helps maintain focus and reduces the fatigue associated with thermal discomfort.
The mesh material is also remarkably durable — resistant to stretching, sagging, and abrasion, ensuring the backrest maintains its supportive contour for years of daily use.
Precision 7D Adjustable Armrests
The HKM-931411 features an industry-leading 7-dimensional armrest system — a hallmark of premium ergonomic design. Each armrest can be independently adjusted across seven distinct axes, ensuring a bespoke fit for users of varying statures and work styles.
Height Adjustment
Vertical lift range of approximately *3.1 in (8 cm)* to accommodate different desk heights and forearm positions.
Forward & Backward Slide
Slide range of approximately *2.4 in (6 cm)* for optimal forearm support whether typing or leaning back.
Pivot & Swivel
Multi-angle rotation up to ±30° inward/outward, plus lateral width adjustment for shoulder-width comfort.
The 7D system also includes depth adjustment, lateral spacing, and pad angle tilt — seven dimensions in total. This granularity of control is what separates a truly ergonomic chair from ordinary seating. Whether you're typing, reading, or on a video call, your arms remain naturally supported, reducing shoulder and wrist strain.
High Backrest with Lumbar Contouring
Natural Spinal Alignment
The high backrest is sculpted to mirror the natural S-curve of the human spine. By supporting the thoracic and lumbar regions simultaneously, it encourages an upright posture that minimizes intervertebral disc pressure — a key factor in preventing chronic back pain associated with prolonged sitting.
Tension Relief for Extended Sitting
By distributing body weight evenly across the backrest surface, pressure points are minimized. The result is less muscle fatigue in the lower back and shoulders, allowing you to maintain concentration through long work blocks without the need for frequent posture readjustment.
Sleek Aesthetic & Robust Construction
Contemporary Design Language
Clean lines, a minimalist silhouette, and a refined monochromatic palette allow the HKM-931411 to integrate effortlessly into modern offices, home workspaces, and executive suites alike.
Heavy-Duty Durability
A reinforced steel base, high-grade nylon frame, and industrial-strength gas lift cylinder ensure the chair withstands rigorous daily use. The five-star base provides exceptional stability.
The Science of Ergonomic Seating
Ergonomics is not merely a buzzword — it is a rigorously studied discipline that examines how human physiology interacts with the built environment. A well-designed ergonomic chair like the HKM-931411 addresses three critical factors: postural support, pressure distribution, and microclimate regulation.
When these elements are optimized, the body experiences less musculoskeletal stress, blood circulation improves, and cognitive performance is sustained over longer periods. The HKM-931411's high backrest, breathable mesh, and multi-axis adjustability work in concert to deliver this trifecta of ergonomic benefits.
Postural Support
Maintains the spine's neutral curvature, reducing disc compression.
Pressure Distribution
Evenly disperses body weight, eliminating concentrated pressure points.
Thermal Comfort
Breathable mesh prevents heat buildup, keeping the body cool and alert.
Technical Specifications
Overall Height
45.3–49.2 in (115–125 cm)
Seat Height Range
17.3–21.3 in (44–54 cm)
Seat Width × Depth
20.5 × 19.3 in (52 × 49 cm)
Weight Capacity
300 lbs (136 kg)
Base Type
5-Star Steel & Nylon
Armrest Adjustment (7D)
Height, Depth, Width, Angle, Pivot, Lateral, Tilt
Designed for Every Professional Scenario
Deep Focus Sessions
When you're in the zone for hours, the breathable mesh and lumbar support keep you physically comfortable so your mind stays sharp and undistracted.
Collaborative Meetings
The 7D armrests adjust effortlessly, letting you pivot toward colleagues or screens without breaking your ergonomic posture.
Frequently Asked Questions
What exactly does "7D armrest adjustment" mean?
7D refers to seven independent dimensions of adjustability: vertical height (up/down), horizontal depth (forward/backward slide), lateral width (left/right spacing), pad angle tilt (inward/outward rotation), pivot angle (swivel around a vertical axis), forward reach (fine-depth micro-adjustment), and rotational orientation (angling the pad relative to the desk edge). This comprehensive range ensures near-custom fit for virtually any body type and desk configuration.
How does the mesh material hold up over time?
The mesh used in the HKM-931411 is a high-tenacity polyester weave engineered for long-term resilience. It resists stretching, sagging, and pilling far better than standard upholstery fabrics. With basic care — occasional vacuuming or wiping with a damp cloth — it maintains its taut, supportive structure for years. Unlike foam cushions that compress and lose shape, the mesh backrest retains its ergonomic contour through thousands of hours of use.
Is this chair suitable for taller individuals?
Yes. The high backrest design, combined with the generous seat height range of *17.3–21.3 in (44–54 cm)* and the fully adjustable headrest area, comfortably accommodates users up to approximately *6 ft 4 in (193 cm)*. The 7D armrests also provide ample vertical and lateral range to suit longer arm proportions. For users above this height, we recommend testing the chair to confirm personal comfort preferences.
What is the assembly process like?
The HKM-931411 ships with clear, illustrated instructions and all necessary hardware. Most users complete assembly in approximately 20–30 minutes using the included hex key. The modular design means no specialized tools are required. Key components — base, gas cylinder, seat mechanism, backrest, and armrests — connect via secure bolt points with pre-threaded inserts for foolproof alignment.
How does this chair compare to chairs with traditional foam padding?
Traditional foam-padded chairs tend to retain body heat and can develop permanent compression indentations over time, altering their support profile. The HKM-931411's mesh backrest offers superior breathability and consistent support that doesn't degrade with use. Additionally, mesh is lighter, easier to clean, and more resistant to spills and stains. For users who prioritize all-day thermal comfort and long-term durability, mesh is often the preferred choice.
Purchase with Confidence
Free Shipping
Complimentary delivery on all orders with no minimum purchase required. Carefully packaged for secure transit.
180-Day Purchase Protection
Extended coverage against manufacturing defects, giving you peace of mind for half a year after delivery.
30-Day Money-Back Guarantee
If the HKM-931411 doesn't meet your expectations, return it within 30 days for a full refund — no questions asked.
24-Month Warranty Service
Comprehensive two-year warranty covering all mechanical components, including the gas lift, armrest mechanisms, and base assembly.
HKM-931411 Ergonomic High Back Mesh Office Chair — Crafted for those who demand more from their workspace.
Every product we offer includes a 180-day purchase protection plan at no additional cost. This coverage extends beyond a standard warranty, reflecting our confidence in product quality and our ongoing commitment to your satisfaction.
The protection plan is designed to provide practical help in real-world situations. Whether you encounter a manufacturing issue, a performance problem, or an unexpected accident, our team is ready to assist with clear, fair solutions.
What Is Covered
Manufacturing Defects
We replace items with material or workmanship flaws at no charge.
Performance Failures
Free repair or replacement if the product fails under normal use.
Accidental Damage
One-time courtesy replacement at a reduced price.
Zero Hidden Fees
All shipping costs for replacements and returns are covered.
How to File a Claim
How This Differs from the Warranty
The 180-day purchase protection includes accidental damage and performance failures that are typically not covered by a standard warranty. It provides an additional layer of support during the first six months after purchase, giving you greater confidence and peace of mind.
We want you to be completely satisfied with your purchase. If for any reason you are not fully happy, you may return your item within 30 days of delivery for a full refund. No lengthy forms, no unnecessary questions.
Our return policy is built on a simple principle: if the product is not right for you, we will make it right. We understand that online shopping involves trust, and we work hard to earn that trust with every order.
Return Eligibility
30-Day Window
Request a return within 30 days of delivery.
Original Condition
Unworn or unused, with tags and original packaging.
Proof of Purchase
A receipt or order number is required.
Fast Refund
Refund processed within 10 business days.
How to Start a Return
Returns & Exchanges Overview
Damages & Exchanges
Please inspect your order as soon as it arrives. If the item is defective, damaged, or incorrect, contact us immediately so we can evaluate the issue and make it right. For exchanges, the fastest option is to return the original item and place a new order for the replacement.
We believe in the quality of our products, and we want you to share that confidence. Every product is backed by a 24-month warranty covering all structural and functional components, including zippers, buckles, straps, and fabric integrity.
The warranty is designed to be simple and accessible. You only need your proof of purchase to begin a claim, and our team will assess the issue promptly. If a manufacturing issue arises, we will make it right.
What the Warranty Covers
Comprehensive Coverage
Every part warranted for two full years.
Free Repair or Replacement
Whichever is faster, at no cost to you.
Quick Turnaround
Claims assessed within 1 business day.
Transferable
Warranty follows the product, not the owner.
How to File a Warranty Claim
Every order ships free—no minimums, no hidden fees. We currently deliver across the United States and are actively working to expand to more countries. We partner with reliable U.S. courier services to ensure your order arrives safely and on time.
Our delivery process is designed for transparency. From the moment you place your order to the moment it reaches your door, you receive clear updates at every stage. We carefully inspect each product before dispatch, and we provide tracking information as soon as your order ships.
Our U.S. Shipping Partners
USPS
Official national carrier with nationwide coverage.
UPS
Fast and reliable ground and express shipping.
FedEx
Express delivery with real-time tracking.
DHL eCommerce
Efficient parcel delivery for e-commerce shipments.
Delivery Process
Delivery Time Summary
Cancellations & Taxes
You may cancel your order at any time before it ships. All product prices include applicable taxes, and there are no additional VAT or customs fees for orders delivered within the United States.
Whether you have a question, need help with an order, or just want some advice, our support team is available around the clock. We don't just respond to messages—we work with you to find real solutions that fit your needs.
Our support specialists are trained to handle a wide range of requests, from product recommendations to technical troubleshooting. No matter the question, you can expect a professional and friendly response.
How We Can Help
Product Guidance
Our experts help you choose the right product.
Order Assistance
Modify orders, track shipments, or speed up delivery.
Warranty & Returns
Start claims or returns quickly and easily.
Technical Troubleshooting
Step-by-step solutions for product issues.
Contact Information
24/7 Phone
+1 (209) 280-3200
support@hekomart.com
Address
3401 Dale Rd, Modesto, CA 95356
Support Hours
Available 24 hours a day, 7 days a week
