Premium upholstery (e.g. leather or bonded-leather) for a professional look
High backrest for full support (upper back, shoulders, neck)
Integrated headrest or padded head support
Thick, padded seat cushion for comfort during long hours
Ergonomic lumbar support to promote good posture
Adjustable height via gas-lift mechanism
Recline or tilt functionality, possibly with a tilt lock
Padded armrests for forearm support
Swivel base for easy mobility
Strong, stable base (usually 5-star)
Durable caster wheels for smooth movement on carpet or hard floors
Sturdy frame and heavy-duty construction for longevity