U-090A Black High Back Ergonomic Office Chair

The U-090A Black High Back Ergonomic Office Chair is a modern ergonomic seating solution designed to provide adjustable support and comfortable seating for professional and home office environments. Its high-back design with a 2D adjustable headrest provides additional head and neck support, with both height and angle adjustment for a more personalized seating position.

The chair features a PP back frame with height-adjustable lumbar support, allowing users to customize lower-back positioning according to their individual needs. The molded foam seat with seat shell provides supportive and resilient cushioning for everyday use.

A 3D adjustable armrest offers adjustment in height, forward/backward position, and 360° angle, allowing users to customize arm support. The 3-position lock synchro tilt mechanism provides flexible reclining control, while the 100mm extended-length Class-3 gas lift enables convenient seat-height adjustment.

The chair is supported by a 345mm PA base with 60/25 PU casters, providing a stable foundation and smooth mobility. Standard upholstery features YM99-31 Black on the headrest and backrest, with OS-300 Black on the seat and lumbar support for a coordinated professional appearance.

Key Features

• Black High Back Design – Provides extended back support for professional and everyday office use.

• 2D Adjustable Headrest – Adjustable in both height and angle for personalized head and neck support.

• PP Back Frame – Provides a durable and reliable backrest structure.

• Height-Adjustable Lumbar Support – Allows customized lower-back positioning.

• Molded Foam Seat – Provides resilient cushioning and supportive seating comfort.

• 3D Adjustable Armrests – Adjust in height, forward/backward position, and 360° angle.

• 3-Position Lock Synchro Tilt Mechanism – Provides multiple locking positions for flexible seating.

• 100mm Extended-Length Class-3 Gas Lift – Provides smooth and convenient seat-height adjustment.

• 345mm PA Base – Provides a stable and durable foundation.

• 60/25 PU Casters – Supports smooth and convenient mobility.

• Coordinated Black Upholstery – YM99-31 Black on the headrest and back, with OS-300 Black on the seat and lumbar support.

Specifications