Samndic Ergonomic Chair - S1
Adaptive Dynamic Lumbar Support ,All-Day Comfort, Relieves Lower Back Fatigue
This special pricing is available during our launch period.
Order Processing Time: 1-2 business days.
Standard shipping estimate 2–5 business days.via USPS, FedEx or UPS.
We ship to the contiguous United States only (excluding Alaska, Hawaii, Puerto Rico, Guam, and other territories).
90-day Return/Exchange + 5-year Parts Warranty.
All hardware & instructions included; simple setup in 15–20 minutes.
Key Points
Core Advantages
Crafted for lasting spinal comfort: full adjustability + adaptive lumbar support. Premium frames and top-tier materials guarantee years of sturdy use.
Adaptive & Dynamic Lumbar Support
4 adjustable positions with individual locking.
All Components Are Fully Adjustable
Offering up to 21 adjustment points, including seat depth and backrest height
Glass-fiber reinforced composite with aluminum alloy bracing.
Extremely rigid, resists sagging, warping and long-term deformation
Elastic & high-resilience construction
Multi-zoned tension weave: firmer pelvic/lumbar zones, softer shoulder sections for pressure dispersion
User In-Depth Experience
This user shares the daily experience after using the chair for an extended period, covering overall support, adjustable functions and long-sitting comfort from a user’s perspective.
Adaptive & Dynamic Lumbar Support
4-Step Lockable Forward/Back Lumbar Support
Relieves lower back strain from prolonged sitting and slouching
Calibrated around natural spinal curvature, developed for users with chronic lower-back fatigue
Other Core Adjustment Functions
Versatile adjustable controls to shape your ideal sitting posture
4D Headrest Height | Rotation | Fine Front-Back | Full Depth Adjustment
Back Height Up&Down 4-Position Height Adjustment with Individual Locking, Max: 2.36”
Seat Depth (front to back) Depth Adjustable, Max 2.17”
4D Armrests Height| Front-Back | Fine Swivel | Wide Rotation
Adjustable Seat Height Max :4”& Lockable Reclining Backrest Max 150°
Find Your Ideal Posture
Multiple components can be adjusted in tandem to match your optimal posture, providing firm support for every part of your body and relieving fatigue.
The Unseen Investment
Our Promise to Durability, Comfort and Unwavering Support
Professional-Grade Reinforced Frame Glass-fiber reinforced composite with aluminum alloy bracing.
Premium Breathable Mesh Resists sagging even after all-day long-hour use.
Heavy Duty Tilt Mechanism with Class 4 Gas Lift Engineered for long-term use.
Integral Cast Aluminum 5-star Base Ultra-Rigid,Deformation Resistant for Years
75mm, Soft-polyurethane (PU) Casters Virtually silent and exceptionally smooth.
Full Features Demo
From Adjustment to Integration
Test Report No: SHHL260100076401FT
We entrusted SGS to test key components, including the backrest and seat, in accordance with theANSI/BIFMA X5.1-2017(R2022) .
Key parts tested on a specified sample per ANSI/BIFMA X5.1-2017(R2022).
The tests conducted cover the following: Back Strength Test, Dynamic Drop Test, Impact Test, Front Corner Load Test, and Back Durability Test.
Visit our Quality & Certifications page
100,000 cycles
Impact Test
125 lbs free falls
300 lbs
Drop Test - Dynamic
Proof Load
120,000 cycles
Durability Test
In the center of the seat
Moving beyond the one-size-fits-all approach, we have integrated multiple, intuitive adjustment functions into our core design. We understand that every individual is unique. That’s why our product features a suite of easy-to-use controls allowing for precise customization of height, angle, and support. Whether you need to shift positions for a task or settle in for prolonged focus, these adjustments ensure optimal posture and comfort are always within reach.
However, true ergonomics is more than just adjustability; it’s inherent in the form itself. Every contour, curve, and surface is meticulously shaped to follow the natural lines of the human body. The materials are selected not only for durability but for their tactile comfort and supportive qualities.
Our commitment to ergonomics is a commitment to you. It’s a blend of science and empathy, resulting in a product that doesn’t force you to adapt to it, but seamlessly adapts to support you. By marrying extensive adjustment functionality with a fundamentally human-centric exterior design, we deliver lasting comfort and performance.
Moving beyond the one-size-fits-all approach, we have integrated multiple, intuitive adjustment functions into our core design. We understand that every individual is unique. That’s why our product features a suite of easy-to-use controls allowing for precise customization of height, angle, and support. Whether you need to shift positions for a task or settle in for prolonged focus, these adjustments ensure optimal posture and comfort are always within reach.
However, true ergonomics is more than just adjustability; it’s inherent in the form itself. Every contour, curve, and surface is meticulously shaped to follow the natural lines of the human body. The materials are selected not only for durability but for their tactile comfort and supportive qualities.
Our commitment to ergonomics is a commitment to you. It’s a blend of science and empathy, resulting in a product that doesn’t force you to adapt to it, but seamlessly adapts to support you. By marrying extensive adjustment functionality with a fundamentally human-centric exterior design, we deliver lasting comfort and performance.
Adjust seat height, seat depth and 4D armrests to lock in an upright supportive posture. Full spine support reduces lumbar strain during long-hour work and keeps you focused efficiently.
Tilt the backrest backward and secure it at your ideal angle. The fully wrapped headrest and wide (Max 150°)recline range deliver full-body relaxation for short breaks and light naps.
Adjust seat height, seat depth and 4D armrests to lock in an upright supportive posture. Full spine support reduces lumbar strain during long-hour work and keeps you focused efficiently.
Tilt the backrest backward and secure it at your ideal angle. The fully wrapped headrest and wide (Max 150°)recline range deliver full-body relaxation for short breaks and light naps.
Overall Height: 46 - 50 in
Overall Width: 27.6 in
Headrest Width: 13 in
Backrest Width: 21.3 in
Distance Between Armrests: 25.6 in
Armrest Width: 3.5 in
Lumbar Width: 18.1 in
Seat Width: 20.5 in
Armrest Height (to Floor): 26.8 - 29.5 in
Headrest Height: 6.3 - 7.9 in
Backrest Height: 29.5 - 31.5 in
Armrest Length: 9.8 in
Seat Depth: 19.7 - 21.5 in
Seat Height: 17.7 - 21.7 in
Installation Guide
Quick Installation: Step-by-Step
Guarantee
After-sales Support
Shipping
We are pleased to offer free shipping on all eligible orders to the contiguous United States, with no minimum purchase required. This offer applies to standard ground delivery only. Please note that shipments to Alaska, Hawaii, Puerto Rico, Guam, and other U.S. territories are currently unavailable.
Return&Exchange
We offer a 90-day return and exchange service for eligible products, which starts from the official delivery date of your order.
Parts Warranty
We provide a 5-year parts warranty for our office chairs. For problems that occur within the warranty period, we will provide free replacement parts service depending on the specific circumstances.
Contact Us
Email: service@samndic.com
Live Chat: Click bottom left.
Phone :+1 646-206-4113
Service Hours: Mon-Fri 9AM–5PM PT
We are pleased to offer free shipping on all eligible orders to the contiguous United States, with no minimum purchase required. This offer applies to standard ground delivery only. Please note that shipments to Alaska, Hawaii, Puerto Rico, Guam, and other U.S. territories are currently unavailable.
We offer a 90-day return and exchange service for eligible products, which starts from the official delivery date of your order.
We provide a 5-year parts warranty for our office chairs. For problems that occur within the warranty period, we will provide free replacement parts service depending on the specific circumstances.
Email: service@samndic.com
Live Chat: Click bottom left.
Phone :+1 646-206-4113
Service Hours: Mon-Fri 9AM–5PM PT
FAQ
Find answers to your orders, shipping, assembly, warranty, and product questions.
What’s your shipping time?
Shipping typically takes 3–7 business days. We ship via USPS, FedEx, or UPS. You’ll receive a tracking number by email once your order ships.
What’s your return policy?
We offer 90-day hassle-free return & exchange on all items, starting from the delivery date.
How long is the warranty?
We provide 5-year warranty on all chair components. During the warranty period, we will send free replacement parts as needed.
Is assembly difficult?
All hardware and instructions are included. Most customers finish assembly in 15–20 minutes. You can also view our full Assembly Guide on our website.
Where do you ship from?
We have four warehouses across the U.S. Your order will ship from the location nearest you.