X.66 ergonomic office chair features a sleek black nylon frame complemented by a breathable mesh cover, designed for optimal comfort and support. It includes an adjustable sponge lumbar support to cater to individual back needs. The height-adjustable armrests are covered with durable PU material, offering added comfort for extended use.

The chair is equipped with a 3-angle locking mechanism, allowing users to lock the backrest at three different angles. The seat has a sliding function, and the backrest tension is adjustable to customize the reclining experience. The 100mm gas lift mechanism allows the seat height to be adjusted between 480mm and 580mm, ensuring suitability for various desk heights.

The chair rests on a sturdy nylon base with smooth-rolling castors for easy mobility. The seat fabric is certified to UK Fire Retardant (FR) standards, ensuring safety and compliance with UK regulations.