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Before the meeting starts, the room has already spoken — and the loudest object in it is the chair behind the desk. Jera Chair by Las Mobili — drawn for the Jera table — designed by Orlandini Design, gives that object the right vocabulary: a modern executive chair, comfortable and enveloping, with clear, decisive shapes enhanced — as the manufacturer puts it — by smooth upholstery or sewn bands. The quilted version adds a padded resin layer with 150 g/m² velvet backing and hand-crafted tone-on-tone stitching: the tailored register, built into the seat.
Two back heights write the hierarchy: high for the presidential cabin, with an optional headrest, low for meeting tables. One enveloping monocoque underlies both: internal metal structure in cold-foamed flexible polyurethane at 70 ±5 kg/m³, CFC- and HCFC-free, flame-retardant Class 1 (manufacturer data), on a polished die-cast aluminium five-star base Ø 670 mm with self-braking Ø 50 mm twin-tread castors. Movement is a choice of two mechanisms: GOL free-floating tilt with gas lift and 360° swivel, or GOA lockable in 4 positions with crank tension and anti-shock lever. Gas columns conform to DIN 4550 above level 4 — manufacturer data.
From the cabin to the boardroom
The family continues past the desk: visitor versions place the same low-back shell on a die-cast pyramid base (520 x 520 mm, 360° swivel plate) or a chromed Ø 11 mm steel sled, and the tub version equips the council room with a laterally hinged seat tipping up 93° for row stacking, plus an optional right-hand writing tablet with anti-panic joint. Upholstery spans eleven options from the LAS colour folder — fabrics, Ecopelle and leather. Product certificates can be downloaded on this page.
Collection: Jera Chair
Manufacturer: Las Mobili
Design: Orlandini Design
Type: executive chairs with high or low back; visitor versions on pyramid base or sled; tub version stackable in rows
Monocoque seat/backrest: internal metal structure covered in cold-foamed flexible polyurethane, density 70 ±5 kg/m³, free of ozone-harmful CFC and HCFC; flame-retardant Class 1 (manufacturer data)
Quilted version: padded resin layer with 150 g/m² velvet backing between foam and cover, hand-crafted tone-on-tone stitching
Dimensions (manufacturer data): high back H 117–126 cm, W 68 cm, seat 48–57 cm; low back H 86–95 cm, W 68 cm, seat 48–57 cm; visitor on pyramid base H 84 cm, W 62 cm, seat 46 cm; on sled H 86 cm, W 62 cm, D 59 cm, seat 46 cm; tub H 85 cm, W 65 cm, D 60 cm, seat 48 cm; ALC3 base Ø 670 mm, ALC4 pyramid base Ø 72.5 cm; approximate dimensions declared by the manufacturer
Executive version:
Base: 5-star Ø 670 mm die-cast aluminium, polished top, black underside
Castors: Ø 50 mm dual-tread black nylon castors, self-braking, chrome cap and zinc-plated steel snap-fit pin; optional kit of 5 rubberised Ø 50 mm self-braking castors for stone, wood and tiled floors (EN 1335-2); polyamide glides interchangeable with the castors (optional)
Gas columns: conform to DIN 4550, above level 4 (manufacturer data)
Mechanisms: GOL — free tilt of the monocoque without end or intermediate locks, gas height adjustment, 360° swivel, no tension adjustment; GOA — forward-pivot tilt lockable in 4 positions, gas height adjustment, 360° swivel, tension adjusted by crank, lock and release by lever with anti-shock system; GOA mechanism in black or chromed version
Padded seat cushion: standard on the high-back chair; optional on low back, pyramid base and sled; cold-foamed flexible polyurethane, 35 mm thick, density 55 kg/m³, flame-retardant Class 1 (manufacturer data)
Headrest (optional): optional on the high-back chair; rigid polyurethane structure covered in cold-foamed flexible polyurethane, 35 mm, 55 kg/m³, flame-retardant Class 1 (manufacturer data)
Visitor versions (low back):
Pyramid base: die-cast aluminium, footprint 520 x 520 mm, polished top, black underside, black rubber pads; R1 chromed swivel plate, 360°
Sled frame: chromed steel rod Ø 11 mm, neutral polypropylene glides
Tub version: monocoque with adjustable feet on 6MA metric thread; laterally hinged seat tipping up 93° for row stacking; optional right-hand writing tablet with anti-panic joint, black
Upholstery: finishes and colours from the LAS Colours Samples Card; eleven coverings in the 2026 price list — Ecopelle, Time, Melange, Lana, Sealife, Mixage, Grain by Gabriel, Poseidon, Ally by Flukso, Supreme, leather
Shipping (manufacturer data): high back 19 kg, 0.442 m³; low back 17 kg, 0.240 m³; pyramid base 16 kg, 0.240 m³; sled 14.5 kg, 0.442 m³; tub 19 kg, 0.401 m³; one package each
Warranty declared by the manufacturer: 5 years on the chair, 3 years on coverings, 2 years on padding; limited to the replacement of parts and components
Manufacturer certifications: UNI EN ISO 9001:2015 (SQ174159-ICILA), UNI EN ISO 14001:2015 (ICILA-SGA-17258), UNI ISO 45001:2018 (IMQ-SHS-170062), SA8000:2014 (certificate no. 144)
Use and care: indoor use only as a swivel office chair; hard castors on carpet, soft on hard floors; keep 30 cm from heat sources, avoid direct sunlight
High back is the presidential register, with the padded seat cushion as standard; medium back serves everyday leadership — same cushion, and it is the only version that accepts the optional upholstered headrest; low back belongs at meeting tables, where the person should read taller than the chair. One monocoque family, three registers: the hierarchy is stated without changing design language.
GOL for executives who want zero settings: free-floating tilt without locks, gas height, 360° swivel. GOA for those who tune the chair: 4 locking positions, crank-adjusted tension, anti-shock lock/release lever. Both run on gas columns conforming to DIN 4550 above level 4, as declared by the manufacturer — specify per person, not per floor.
An internal metal structure covered in cold-foamed flexible polyurethane at 70 ±5 kg/m³ — CFC- and HCFC-free and flame-retardant Class 1, manufacturer data — with a 35 mm, 55 kg/m³ seat cushion. The quilted version adds a padded resin layer with 150 g/m² velvet backing and hand-crafted tone-on-tone stitching. Enveloping outside, engineered inside.
Yes. The visitor versions carry the same low-back shell on a die-cast pyramid base with 360° swivel plate or on a chromed steel sled; the tub version equips council rooms with a seat that tips up 93° on lateral hinges — rows can be stacked — and an optional writing tablet with anti-panic joint. Desk, guest side and boardroom in one language.
Fourteen options from the LAS colour folder: Poli, Ecopelle, Crepe, Stretch, Melange, Trevi, Lana, the Gabriel and Flukso families, leather — plus customer's own fabric for projects with a textile identity. Choose smooth or quilted, and match castors to floors: hard on carpet, soft on stone. Physical samples are available and their cost is fully credited when the order is confirmed.
For admin heads and architects: five Jera Chair decisions from the corner cabin to the council room.
High back to the presidential cabin, medium to everyday leadership (with the headrest option), low to meeting tables. Same monocoque, three registers — the hierarchy reads itself.
GOL free tilt for no-settings comfort; GOA with 4 locks, crank tension and anti-shock lever for fine tuners. Gas columns conform to DIN 4550 above level 4 — manufacturer data.
Pyramid or sled visitor chairs before the desk; tub chairs in the council room with 93° tip-up seats for row stacking and optional anti-panic writing tablets.
Fourteen coverings including leather and customer's own fabric; the quilted version adds velvet-backed padding with tone-on-tone stitching. Match castors to floors: hard on carpet, soft on hard surfaces.
Approve physical samples under your own light — the cost is fully credited at order confirmation — then fix heights, mechanisms, coverings and castors in writing.
