High-Back Ergonomic Mesh Office Chair with Adjustable Headrest, model EMOC-HB685is a versatile unbranded ergonomic seating solution designed for extended daily use. The chair features a sleek, contoured profile defined by a tall mesh backrest paired with a generously sized seat, curved height-adjustable headrest, and padded armrests, all anchored to a polished five-star base with smooth-rolling dual casters. Its streamlined neutral black finish complements a wide range of interior palettes, with custom color options available for bulk purchase requests. Constructed for durability and long-term comfort, the chair’s backrest uses tear-resistant breathable polyester mesh set in a nylon-glass fiber reinforced composite frame, with a built-in contoured lumbar panel that aligns with the natural curve of the lower back. The seat is supported by a 12mm thick plywood inner board, topped with 40mm thick high-density molded polyurethane foam for even weight distribution. The polished chrome-plated steel five-star base holds 60mm diameter dual-wheel polyurethane casters, paired with a Class 3 chrome-plated steel gas lift and 3mm thick stamped steel tilt mechanism with adjustable tension. Armrests feature soft polyurethane padding atop rigid polypropylene supports. Core functional features are engineered to support personalized comfort across varied users. A right-side lever actuates pneumatic seat height adjustment, while the curved headrest slides vertically to align with the neck for users up to 185cm tall. The backrest reclines to a 115-degree angle with three lockable positions and user-adjustable tilt tension, and the chair offers full 360-degree swivel rotation. Armrests adjust vertically to match standard desk heights, and the dual-wheel casters roll smoothly across hardwood, tile, and low-pile carpet without scratching floor surfaces. The chair supports a maximum recommended user weight of 136kg, with component durability ratings covering extended regular use, backed by a 5-year standard warranty. This model is suited for a range of commercial and residential spaces, including open-plan and private office workstations for 8+ hours of daily desk work, standard 760mm height home office setups for remote work, and conference rooms requiring adaptable support for diverse meeting attendees. Procurement teams and individual buyers should note that each unit ships in two cartons, with an assembly time of 40 minutes per set. For container planning, 135 sets fit in a 20GP container at 85% space utilization, with packaged gross weight per set reaching 23kg. Bulk orders qualify for custom color selections to align with brand or interior design requirements, and the chair’s all-black standard finish works for most existing space aesthetics without additional coordination.