Backrest

2-piece design

Focuses on lumbar support

2-piece design

Focuses on lumbar support

1-piece design

Focuse on full back support

1-piece design

Focuse on full back support

1-piece design

Focuse on full back support

Lumbar Support

5 level adjustable heights

Adjustable strengh & Lockable

5cm tracking mechanism

5 level adjustable heights

Adjustable strengh & Lockable

5cm tracking mechanism

3 level adjustable heights

Built-in 6 cm height adjustable- lumbar support strap

Adjustable strengh & Lockable

5cm tracking mechanism

3 level adjustable heights

Built-in 6 cm height adjustable- lumbar support strap

Adjustable strengh & Lockable

5cm tracking mechanism

3 level adjustable heights

Built-in 6 cm height adjustable- lumbar support strap

Adjustable strengh & Lockable

5cm tracking mechanism

Armrest

4D;8CM height

4CM back forward,

Rotate: 20°

4CM Inside outside

4D;8CM height

4CM back forward,

Rotate: 20°

4CM Inside outside

4D extended;7CM height

5CM Back Forward

Rotate: 20°

2CM Inside Outside

4D extended;7CM height

5CM Back Forward

Rotate: 20°

2CM Inside Outside

4D extended;7CM height

5CM Back Forward

Rotate: 20°

2CM Inside Outside

Headrest adjustment

2D

13CM Height
30°Surface Rotation

2D

13CM Height
30°Surface Rotation

5D

15CM Height
51°Surface Rotation
Patterned auto- following 
Back and forth & lockable

2D

13CM Height
30°Surface Rotation

2D

13CM Height
30°Surface Rotation

Recline

Up to 136°

Up to 136°

Up to 136°

Up to 136°

Up to 136°

Foldable Footrest

Yes

No

Yes

Yes

No

Seat Depth Adjustment

5cm

5cm

5.5cm

4cm

4cm

Rebound sponge cushion

Yes

Water Proof,Anti-static

Yes

Water Proof,Anti-static

Yes

Water Proof,Anti-static

Yes

Water Proof,Anti-static

Yes

Water Proof,Anti-static

Adaptive laptop table

Yes

Yes

Yes

Yes

No

Materials

Korea Filo Back Mesh

Nylon + fiberglass back frame

PU Armrest Pads

Aluminum alloy five-star base 

Mesh

Nylon + fiberglass back frame

PU Armrest Pads

steel five-star base 

Korea Filo Back Mesh

Nylon + fiberglass back frame

PU Armrest Pads

Aluminum alloy five-star base 

Mesh

Nylon + fiberglass back frame

PU Armrest Pads

steel five-star base 

Mesh

Nylon + fiberglass back frame

PU Armrest Pads

steel five-star base 

Seat Height(from floor to seat)

44.5-52.5cm/ 17.5-20.7inch

44.5-52.5cm/ 17.5-20.7inch

43-52cm/ 17.1-20.47inch

43-52cm/ 17.5-20.7inch

44-52.5cm/17-20.6 inch

Weight Capacity

136 kg /300LBS

136 kg /300LBS

136 kg /300LBS

136 kg /300LBS

136 kg /300LBS

Net weight

26kg

21.5kg

24.5kg

23kg

21.5kg

Warranty

3 years

3 years

3 years

3 years

3 years