This high-back two-tone upholstered executive swivel office chair (model 1707-X08) is an unbranded, generic seating solution built for premium professional settings. Its visual design features a tall, contoured high-back silhouette with a sleek two-tone finish: smooth dark padded upholstery covers the seat and primary back contact surfaces, contrasted by light blue-gray rigid upholstered panels on the backrest sides and lower outer section. Integrated padded armrests sit flush with the seat and back structure, supported by a polished die-cast aluminum alloy five-star base fitted with dual-wheel casters, creating a refined, formal profile aligned with contemporary office aesthetics. Construction prioritizes durable, supportive materials. The seat and backrest are padded with high-resilience polyurethane foam, with the seat core using higher density foam for consistent weight support, and the backrest using slightly lighter density foam for cushioned comfort. The contact surfaces are upholstered in thick PU leather, with reinforced nylon thread stitching for seam durability. Internal components include an E1 grade bent plywood seat support panel, a steel pneumatic gas lift for height adjustment, a stamped steel tilt chassis with spring tension control, and PU-coated dual-wheel casters with PA inner hubs designed for low-noise movement. Functional features support extended seated use. The chair offers 100mm of vertical seat height adjustment via an under-seat side lever, full 360-degree swivel rotation for easy workspace access, and a synchronized spring tilt mechanism with adjustable tension that allows up to 25 degrees of recline, with multi-position locking to secure preferred angles. The tall contoured backrest delivers full upper back and shoulder support, while padded integrated armrests are positioned to support forearms during desk work. Casters roll smoothly without scratching hard floors or low-pile carpet. This chair is well suited for executive private offices for managers, directors or C-suite staff, high-end corporate conference and boardrooms, upscale home executive workspaces, and premium reception areas for important guests. It pairs seamlessly with standard height executive desks to meet ergonomic clearance requirements, and is available in two standard colorways: all-black, and two-tone dark and light gray, to match varied interior palettes. Procurement teams should note that select material and dimensional specifications are aligned with standard category procurement references and require confirmation via supplier bills of materials and physical samples prior to bulk order. Assembly is required for knockdown units, with assembly time per unit falling at the maximum end of typical ranges for comparable office chairs. Container loading s align with standard B2B export reference volumes for this product category.