Telescopic Ladder, 8.5FT KERDOM Aluminum Telescoping Ladder with Non-Slip Feet, Portable Extension Ladder for Household and Outdoor Working,330lb Capacity

Shipping calculated at checkout.

Designed in USA and featuring eight points of adjustment, the Branch Ergonomic Chair delivers an exceptional range of ergonomic support for bodies of all shapes and sizes. Must Use! Extra $15 Off Code: KMD


*Bodies of All Sizes: 5'2" - 6'2"and up to 350lbs 

*Firm lumbar Rest to Adjust lower Back

*Contoured Upper Backrest for Active Posture

*Rated For 8+ Hours of Comfortable Work

*Not Sure Which Chair is Right For You?Take our Quiz


Dimensions:25.2” - 27.5”L x 27.W x 45.5” - 52.4”H

Seat Dimensions:18.5”L x 20.5”W

Seat Height:18.5” - 22.5”Back

Dimensions:20”W x 21”-22.6”H

Back Dimensions (with headrest):20”W x 27” - 29"H

Tilt Range:45°

Armrest height:(from the seat border)6.5” - 9.3”

Armrest height :(from the floor)25.8” - 32.7”

Armrest adjust:1.57” forwards & backwards1” leftwards &rightwards

Caster wheel diameter:2.5 inches

Number of caster wheels:5 pieces

Adjustability:Headrest, armrest, backrest, back tilt angle, seat height, seat depth, footrest(optional).

Materials:Aluminum alloy frame, fiberglass nylon plastic seat, PU armrest and caster, high strength elastic mesh.

Weight Capacity:350 lbs

Item Weight:60 lbs

Shipping Dimensions:30.3”L x 18.5”W x 28.7”H x 69 lbs

Warranty:5 years

Free Returns:30 days

Assembly Instructions
尺寸: 2.6m/8.5FT


Why you'll love it

The Pros of Kerdom Ergonomic Office Chair

Ergonomic Design Pro

Our wheels are made of industrial grade steel, precision ball bearings and durable polyurethane chair casters. Will not scratch, stain or damage your floor. Even on the carpet you can glide carefree and safe

Big & Mute Function Wheels 

The roller blade wheels are silent and can move to 360° directions. It's soft and smooth which protects your floor without without noise and scratches. And it fits all types of floor, wooden, carpet and etc.

BIFMA certificated 

BIFMA certificated and safe-guarantee. Most office chairs use class 2/3 gas lift. Ergo PLUS use class 4 gas lift to provide a better quality.

Depth Adjustable Seat

A depth adjustment range of 2.5 inches. The depth can be adjusted according to the length of the thigh, which provides sufficient support for the legs and reduces local pressure on the buttocks.

2D Adjustable Headrest

Large surface headrest can fully support your head. The angle of the headrest can be adjusted to fit your neck and relieve neck stress. The height of the headrest is also adjustable

4D Adjustable Armrest

4D adjustable armrest give you the flexibility to adjust based on your movements and keep your arms fully supported at all times with the premium PU soft padding.

18° of effortless recline

Not all reclines are created equal. ErgoChair Core responds to your body weight and keeps your spine stable every step of the way. Move freely and safely, without putting strain on your shoulders, arms, and back.

Stay fresh and healthy

The back and cushion are breathable. A high-quality mesh is used to make it steady, well-shaped and elasticity. May you have a comfortable experience.


For every part of you.

Every element you see and feel is engineered to increase mobility and eliminate pain. Because everything starts with well-being

Free Shipping Sitewide

We provide ground shipping with 24-hour dispatch guarantee and 3-5 days to deliver.

100-Day Free Trial

100-day hassle free return and refund for all of our products purchased from Kerdom official.

Secure payments

We Use Encrypted SSL Security To Protect Your Payment Information

Up To 5-Year Warranty

Kerdom promises 5 years warranty for our beloved customers that purchased with us directly.


Fights fatigue.

Back and seat move in tandem at an ergonomic 2:1 ratio, so you can recline and stretch without putting pressure on your legs, thighs, and lower back. End your day with as much energy as when you started.

Adjustable headrest, Extendable leg rest
No middlemen. Save up to 50%
Free shipping on all orders
Worry-Free Returns
Black Reclining Office Chair For Your Home Office
Adjustable headrest, Extendable leg rest
No middlemen. Save up to 50%
Free shipping on all orders
Worry-Free Returns
Black Reclining Office Chair For Your Home Office


Corrects your posture.

Featuring adjustable tension and 22° of recline. Lockable across 5 key positions, each designed to keep your spine stable and support your lumbar area. And it’s wrapped in ultra-breathable woven mesh, for gentle posture-perfecting resistance.

Hear what others are saying

Loved by teams, remoteworkers & press.


Prevents hunching.

Both height and angle are adjustable, so you can stop straining your neck. Explore 45° of flexibility to find ideal support – whether you’re writing at your desk, looking at a monitor, or leaning back to relax.


Improves circulation.

Comfortably contoured with rounded edges for dynamic pressure distribution up to 300 lbs. Essential for freeing up any restricted blood vessels and reducing stress on the lumbar region.


Relieves back pain.

The flexible lumbar cushion protects the natural curvature of your spine and eases both pain and stiffness. Instead of dictating the inward curve, it responds to the unique shape of your body to provide tailored support.

Wire Control Mechanism

The Importance of Wire Control Mechanism

If you're always frustrated to bend over to find the adjustment control and have to use force to push it, you need to know more about the wire control mechanism of an ergonomic office chair.

Wire control mechanism makes the controller centralized and good-looking. The controllers are located just by the sides of the seat. You can easily reach them and adjust the chair without bending over and major force.

Seat is one of the key elements of an office chair. The high-quality gas lift ensures the safety and the seat contains the whole control system which is the key to make the chair comfortable and useful. Wire control mechanism ensures the endurance of the chair functions


KD-Sport Advanced Performance Material

For keeping your cool. Designed for max airflow, woven for strength, and BIFMA tested for durability. With a little stretch to inspire movement, it also contours to your body to ensure both pressure and weight are distributed evenly.


Safe and reliable

The wheels can move to 360° directions. It's soft and smooth which protects your floor without noise and scratches. And it fits all types of floor, wooden, carpet and etc.