Spark

Comfort and freshness for operational work

Imagine sitting in the Spark task chair, surrounded by a modern and dynamic workspace. This chair is not just a piece of furniture; it is a reliable companion designed for operational work, offering support and performance throughout the entire day.

Its mesh backrest provides continuous ventilation, like a fresh breeze that follows your movements. The technical mesh allows air to circulate freely, keeping your back dry even during the most intense tasks, while the padded seat and optional headrest offer a soft yet stable comfort experience.

Available in black or white polypropylene finishes, Spark integrates seamlessly into any setting: from minimalist interiors to creative studios and contemporary operational offices.

What truly makes Spark unique is its ability to adapt to each user. The 3D adjustable armrests and the adjustable lumbar support ensure a natural posture, while the self-weighted synchro mechanism follows body movements with intuitive fluidity. Spark stands among the most versatile and contemporary ergonomic task chairs of its category.

Destinations of use
Materials and finishes
1.1 Cove

Weight: ± 565 g/mq
Composition: 82% PVC – 7% Cotton – 11% Polyester
Martindale: 50.000 cycles

C 539

C 21

C 84

C 98

C 560

1.2 Bondai

± 250 g/mq
100% Poliestere / 100% Polyester
150.000 cicli martindale / 150.000
martindale cycles
Resistenza al fuoco/Flammability
CLASSE 1 IM – UNI 9175
EN 1021 – 1/2
BS 5852 – CRIB 5
California TB 117

Fire proof class 1IM

B 8078

B 8010

B 4011

B 6016

B 8033

2.1 Angel

Weight: ± 228 g/mq
Composition: 100% polypropylene F.R.
Martindale: 100.000 cycles

Fire proof class 1IM

AN 38

AN 46

AN 14

AN 30

AN 35

AN 45

AN 20

AN 53

AN 50

AN 55

AN 39

AN 56

AN 57

2.2 Gazebo

Weight: ± 640 g/mq
Composition: 87,5% Plasticized polyvynilchloride – 12,5% Cotton
Martindale: 50.000 cycles

Fire proof class 1IM

S 4979

S 6

S 151

S 1194

S 1307

S 71

S 792

S 680

S 726

S 1809

S 4947

S 6985

S 4009

S 1955

S 991

2.3 King-flex

Weight: ± 300 g/mq
Composition: 100% Polyester Trevira CS
Martindale: 100.000 cycles

Fire proof class 1IM

KF 1006

KF 4030

KF 4066

KF 4008

KF 4020

KF 8027

KF 3083

KF 3030

KF 7015

KF 6026

KF 7023

KF 6007

KF 8009

KF 9228

KF 8033

2.4 One

Weight: ± 350 g/mq
Composition: 100% recycled polyester
Martindale: 100.000 cycles

Fire proof class 1IM

ON 4067

ON 1506

ON 7033

ON 2519

ON 3007

ON 3008

ON 7029

ON 7022

ON 4028

ON 6591

ON 6512

ON 6017

ON 8033

3.1 Secret

Weight: ± 540 g/mq
Composition: 76% PVC – 2% PU – 22% PES
Martindale: 60.000 cycles
Features: waterproof, UV rays resistant, suitable for outdoor

Fire proof class 1IM

SC 1013

SC 1002

SC 1008

SC 1011

SC 1024

SC 1007

SC 1005

SC 1020

SC 1009

SC 1018

SC 1021

SC 1006

SC 1015

SC 1012

SC 1017

3.2 Chili

100% post-consumer recycled polyester FR
60.000 martindale cycles
Flammability
CLASSE 1 IM – UNI 9175
BS 7176
EN 1021 – 1/2
California TB 117-2013
BS 5852 Crib 5
CA TB 117-2013
NFP 92-503/504/505 M1
DIN 4102 – B1

Fire proof class 1IM

CH 61172

CH 66172

CH 66171

CH 66174

CH 66189

CH 68193

CH 68195

CH 62086

CH 63099

CH 64201

CH 64198

CH 65107

CH 60114

CH 60116

CH 60999

3.3 Mini

Weight: ± 340 g/mq
Composition: 100% Polyester Trevira CS
Martindale: 100.000 cycles

Fire proof class 1IM

MN 6524

MN 6004

MN 6015

MN 6502

MN 7007

MN 7022

MN 3008

MN 4530

MN 4028

MN 4528

MN 1014

MN 1006

MN 1014

MN 1020

MN 8033

5.1 Jewel - Chill

JEWEL
300% g/mq
100% PES
100.000 cicli Martindale
100.000 Martindale cycles
Resistenza al fuoco/Flammability
UNI 9175:2010 + UNI 9176:2010
BS 5852:2006 – Clause 11, Crib ignition source 5

CHILL
330% g/mq
100% PES
40.000 cicli Martindale
40.000 Martindale cycles
Resistenza al fuoco/Flammability
UNI 9175:2010 + UNI 9176:2010
BS 5852:2006 – Clause 11, Crib ignition source 5

Fire proof class 1IM

JL 5

CL 5

JL 4

CL 4

JL 6

CL 6

JL 2

CL 2

JL 8

CL 8

JL 1

CL 1

JL 9

CL 9

5.2 Moor

440±3% g/mq
100% PES FR
50.000 cicli Martindale
50.000 Martindale cycles
Resistenza al fuoco/Flammability
UNI 8456-9174 classe 1
UNI 9175
EN 1021-1
EN 1021-2
BS 5852 crib 5
DIN 4102 B1
NF P 92 503-507 M1
TB 117:2013

Fire proof class 1IM

MR 3

MR 2

MR 5

MR 6

MR 7

MR 16

MR 12

MR 9

MR 24

MR 19

MR 21

MR 17

MR 13

MR 14

MR 25

7.1 Mesh XL

XL09

XL00

8.1 Focus

± 660 g/mq
100% New Zealand wool
100.000 martindale cycles
100% recyclable fabric
Flammability
CLASSE 1 IM – UNI 9175
BS EN 1021 – 1/2
California TB 117-2013 ,
BS 5852 /1,
ASTM E 84 Class 2, ÖNORM A3800-B1-B3825-Q1 UK

Fire proof class 1IM

F 60211

F 60212

F 60999

F 61035

F 61036

F 61040

F 63133

F 64041

F 65032

F 66011

F 66020

F 66022

F 66023

F 68047

F 68048

8.2 Fuga

± 807 g/mq
79% poliestere riciclato FR/ 21% poliestere FR
79% recycled polyester FR / 21% polyester FR
70.000 cicli Martindale
70.000 Martindale cycles
Resistenza al fuoco/Flammability
UNI 9175:1987+FA1:1994
EN 1021-1
EN 1021-2
BS 5852 crib 5
DIN 4102 B1
NF P 92 503-507 M1
CAL TB 117-2013, section 1, Pass
NFPA 260, Class 1
IMO 2010 FTP part 8, Pass

Fire proof class 1IM

FG 35

FG 05

FG 08

FG 13

FG 11

FG 12

FG 17

FG 21

FG 22

FG 38

FG 02

FG 31

FG 27

FG 01

FG 26

8.3 Grain

± 615 g/mq
100% Trevira CS
Solid: 92% post-consumer recycled polyester/8% polyester
Duo-coloured: 80% post-consumer recycled polyester/20% polyester
100.000 martindale cycles
Flammability
EN 1021 – 1/2
California TB 117-2013

GR 66231

GR 66234

GR 66236

GR 68259

GR 60303

GR 60320

GR 60328

GR 61248

GR 61251

GR 61253

GR 62123

GR 63117

GR 63118

GR 64250

GR 64251

White

Black

Black polyurethane

Information

Seat

Plywood

Backrest

Reinforced polypropylene lined with three-dimensional fabric for items 510/511

Head-rest

Reinforced polypropylene, height-adjustable and reclining

Lumbar support

Polypropylene, height adjustable for items 510/511; height and depth -adjustable for items 512/513

Padding

Seat: polyurethane foam 5 cm thick, density 35 rc. Backrest: flexible cold‑moulded polyurethane foam, density 50rc for items 512/513

Outer shell

Black or white polypropylene

Armrests

3D in polypropylene, height adjustable with rotating and sliding PU pad or height adjustable in black or white polypropylene

Mechanism

MEC 8 A Self adjusting synchro with anti-shock system MEC 9 Multi block synchro with anti-shock system, side control lever, seat slider on TR version

Height adjustment

Gas pump (UNI 9084 Certified)

Castors

AR4 polyamide ø65

Swivel base

B67 black nylon B69 white nylon

Image
Size
Cod.
Description
122-135
51
70

P510D

Size
122-135
51
70
Cod.

P510D

Description Task chair with headrest, self-adjusting synchro, black base and outer shell
123-136
51
70

P510DTR

Size
123-136
51
70
Cod.

P510DTR

Description Task chair with headrest, multi block synchro and seat slider, black base and outer shell
104-117
51
70

P511D

Size
104-117
51
70
Cod.

P511D

Description Task chair, self-adjusting synchro, black base and outer shell
105-118
51
70

P511DTR

Size
105-118
51
70
Cod.

P511DTR

Description Task chair, multi block synchro and seat slider, black base and outer shell
122-135
51
70

P512D

Size
122-135
51
70
Cod.

P512D

Description Task chair with headrest, padded seat and backrest, self-adjusting multi-block synchro mechanism, black base and outer shell
123-136
51
70

P512DTR

Size
123-136
51
70
Cod.

P512DTR

Description Task chair with headrest, padded seat and backrest, multi-block synchro mechanism and seat slider, black base and outer shell
104-117
51
70

P513D

Size
104-117
51
70
Cod.

P513D

Description Task chair, padded seat and backrest, self adjusting multi-block synchro mechanism, black base and outer shell
105-118
51
70

P513DTR

Size
105-118
51
70
Cod.

P513DTR

Description Task chair, padded seat and backrest, multiblock synchro mechanism and seat slider, black base and outer shell

BRN3/S

Size
Cod.

BRN3/S

Description Pair of height-adjustable black polypropylene armrests

BRN4/S

Size
Cod.

BRN4/S

Description Pair of 3D arrmests in black polypropylene, height adjustable with rotating and sliding black PU pad

GS4

Size
Cod.

GS4

Description Pair of black polypropylene guides with knob for BR4 armrest width adjustment.
122-135
51
70

B510D

Size
122-135
51
70
Cod.

B510D

Description Task chair with headrest, self-adjusting synchro, white base and outer shell
123-136
51
70

B510DTR

Size
123-136
51
70
Cod.

B510DTR

Description Task chair with headrest, multi block synchro and seat slider, white base and outer shell
104-117
51
70

B511D

Size
104-117
51
70
Cod.

B511D

Description Task chair, self-adjusting synchro, white base and outer shell
105-118
51
70

B511DTR

Size
105-118
51
70
Cod.

B511DTR

Description Task chair, multi block synchro and seat slider, white base and outer shell
122-135
51
70

B512D

Size
122-135
51
70
Cod.

B512D

Description Task chair with headrest, padded seat and backrest, self-adjusting multi-block synchro mechanism,white base and outer shell
123-136
51
70

B512DTR

Size
123-136
51
70
Cod.

B512DTR

Description Task chair with headrest, padded seat and backrest, multi-block synchro mechanism and seat slider, white base and outer shell
104-117
51
70

B513D

Size
104-117
51
70
Cod.

B513D

Description Task chair, padded seat and backrest, self adjusting multi-block synchro mechanism, white base and outer shell
105-118
51
70

B513DTR

Size
105-118
51
70
Cod.

B513DTR

Description Task chair, padded seat and backrest, multiblock synchro mechanism and seat slider, white base and outer shell

BRB3/S

Size
Cod.

BRB3/S

Description Pair of height-adjustable white polypropylene armrests

BRB4/S

Size
Cod.

BRB4/S

Description Pair of 3D arrmests in white polypropylene,height adjustable with rotating and sliding grey PU pad

GS4

Size
Cod.

GS4

Description Pair of black polypropylene guides with knob for BR4 armrest width adjustment.
Download Area
Consult all documents related to the SITLOSOPHY® catalogue including 3D libraries
Video

Discover Spark in action through our video tutorials dedicated to its mechanisms and adjustments.
In this section, you’ll find clear and quick guides showing how to make the most of Spark’s features: from the synchro mechanism to the adjustable lumbar support and 3D armrests.
Perfect for anyone using Spark daily and looking to achieve maximum comfort and an always-correct posture.

Self-weight synchro mechanism MEC 8A

Synchro mechanism with seat slider MEC-09

Advanced ergonomics for contemporary operational offices

The Spark collection was created with a clear goal: to offer maximum ergonomics and freedom of movement without compromising on a modern, lightweight aesthetic. The mesh structure is one of its greatest strengths, especially in environments where long hours are spent at the desk. Thanks to its controlled elasticity, the backrest adapts to the body’s micro-movements, helping maintain a correct posture throughout the day.

Among the key ergonomic features, the adjustable lumbar support stands out. Designed to follow the natural curvature of the spine, it helps prevent the fatigue typically associated with prolonged sitting—ideal for operational work.

The 3D armrests—adjustable in height, depth, and rotation—relieve muscle tension in arms and shoulders, especially during long computer sessions. The self-weighted synchro mechanism reacts intelligently to the user’s weight, providing a balanced recline without the need for manual adjustments.

But Spark is not only about performance; it is also a statement of style. Its clean, youthful silhouette fits perfectly into dynamic operational offices, open-space layouts, coworking environments and shared workstations. The balance between technical materials and contemporary finishes enhances any space, conveying freshness, professionalism and motion.

Spark is a conscious choice for companies that seek flexibility, ergonomics and a strong visual identity, offering long-lasting quality and user wellbeing.

Design, advanced adjustments and everyday wellbeing

The philosophy behind Spark is simple: to transform sitting into a tool for productivity and wellbeing. In a work environment that requires focus, mental agility and long hours seated, the quality of ergonomic task chairs becomes essential. Spark meets these needs with a fully customizable approach.

The adjustable lumbar support allows users to find their ideal level of support, preventing strain and supporting the spine’s natural curve. The self-weighted synchro mechanism allows for natural movement during calls, meetings or highly focused tasks.

The padded seat distributes weight evenly, improving circulation and reducing pressure on the legs. Combined with the breathable mesh backrest, it offers the perfect balance between thermal comfort and structural support—two fundamental aspects for operational work.

Spark also stands out for its minimalist aesthetic, making it easy to pair with different office styles. Its lightweight visual presence is ideal for shared spaces where brightness and order are essential.

Designed for today’s and tomorrow’s operational offices, Spark is a strategic investment for those who want to enhance their workspace without compromise. It offers advanced ergonomics, intuitive adjustments and a design that inspires lightness and movement. Adding Spark to your environment means bringing daily comfort, reliability and contemporary style.