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  5. Lark, Adjustable Lumbar Ergonomic Office Chair

Lark, Adjustable Lumbar Ergonomic Office Chair

$309 $349
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Color: Black

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Description

The Lark chair introduces groundbreaking 3D adaptive adjustable lumbar support, ensuring continuous spinal health care, and making it the ideal choice for comfort. The seat cushion is crafted with a unique blend of structured cotton and nylon elastic material, ensuring a well-defined supportive contour and even pressure distribution.

Features

  • Independent Dual Backrest Design: 3D adjustment lumbar support boasts flexible adjustments, including 1.97'' forward/backward movement, 2.36'' up/down adjustment, and swiveling left/right function, allowing for personalized and comprehensive lower back support. Ensuring constant comfort, it provides real comfort.
  • Flexible Headrest Adjustment: The adjustable headrest offers multiple positions with a 50° rotation adjustable, up/down movement 3.94'' range, and forward/backward 1.57'' range for dynamic head & neck support.
  • Elastic Seat Cushion with Separation Design: Featuring a stress-resistant plastic base + 3.15'' thick high-density sponge, the cushion offers excellent support and a comfortable feel, making prolonged sitting fatigue-free.
  • 3D Armrest Adjustment: The PU armrest offers a 1.97'' sliding forward/backward movement, a 30° left/right swing, and a 2.95'' up/down adjustment, providing versatile and personalized arm support.
  • Breathable & Durable Surface: This home office chair is made with a high-quality mesh fabric. The material is breathable to prevent heat build-up and maintain comfort when sitting for long periods. It's also flexible and durable, making this office chair a dependable choice.

Specification

  • SKU: ERK-OC15
  • Style/Type: Ergonomic Office Chair
  • Color: Black/Gray
  • Item Weight: 36.71 lbs.
  • Recommended height：4‘9‘’-6’1‘’
  • Max. Weight Capacity: 275 lbs
  • Seat Height: 17.75"-20.88"
  • Seat Depth: 15.75"-19.68"
  • Seat Width: 18.9"
  • Cushion thickness:2.95''
  • Headrest Type： 3D Adjustment
  • Armrest Type: 3D Armrest
  • Tilt Mechanism: 90°-125°(4 positions locking)
  • Hydraulics Gas Piston: Class 3
  • Materials: Mesh, Nylon
  • Box Dimensions: 30.71" x 14.17" x 20.47"
  • Box Weight: 43.76 lbs

Shipping

Free Standard Shipping (Lower 48 US States Only)

  • Standard Shipping: Transit time is approximately 3-7 days (not guaranteed). FedEx/UPS will drop off the item(s) at the first ground-level entryway outside your home (front door, porch, or garage).
  • Large Items: Shipped via LTL Freight and typically arrive within 7-21 days. The carrier will unload the item(s) at the curb or loading area, but this service does not include unpacking, assembly, or debris removal. You’ll need to move the item(s) inside, so please plan accordingly.
  • Want a White Glove Experience? We offer premium delivery services, including white glove options, for an additional fee. Contact our customer experience team to learn more.
  • Obvious Shipping Damage
    If you receive any LTL shipment and notice any damages to the outer cartons, please refuse the delivery immediately, do not sign any paperwork provided by the carrier, and contact us right away.
  • Live in Hawaii or Alaska? While free shipping isn’t available, we can still ship to you! Reach out to our customer experience team for a custom quote.

Installation Manual

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Lark Ergonomic Office Chair, Black Mesh Back, Adjustable Lumbar Support, Ideal for Home Office Use.
$309 $349
Eureka Ergonomic®Aric, Faux Leather Executive Office Chair
Eureka Ergonomic Aric ivory faux leather chair front view

A Real Comfortable Chair

Eureka enhances your workspace with dependable, scientifically designed ergonomic products.
We believe that making every hour a bit more flexible and comfortable leads to a life with greater freedom.

Innovative Adaptive Lumbar-Back Separation Support

3D adjustment lumbar support boasts flexible adjustments, including 1.97'' forward/backward movement, 2.36'' up/down adjustment, and swiveling left/right function, minimizing the risk of lower back discomfort and spinal pain.

Pressure-Reducing Cushion Made from Premium Cotton

Eureka Ergonomic chairs provide support without skimping on comfort. High-density shaped foam ensures you always feel like you're sitting on a cloud.

Elastic Layered Sponge Cushion

Higher thickness and larger surface area ensure that pressure is more widely distributed while you sit, letting you stay seated for long periods without discomfort.

Adjustable 3D Headrest

Fully adjustable height, depth, and angle allow
for a custom arm fit.Multi-dimensional adjustment, people of different heights can achieve neck support, reducing your cervical pain

Adjustable 3D Armrest

Fully adjustable height, depth, and angle allow
for a custom arm fit.

High-Quality Seat Cushion for Long-term Sitting Comfort

A 4-inch seat depth adjustment reduces pressure on the legs, enhancing overall comfort during extended periods of sitting.

High Elastic Nylon Mesh Fabric

The backrest, headrest, and lumbar support are all with high-elastic nylon mesh fabric finishes, breathable and supportive.

Dimensions