ASUS ROG Courser Core SL302C Premium Ergonomic Gaming Chair with High-Density Molded Foam, Breathable PU Leather, Built-in Lumbar Support, 2D Adjustable Armrests & Class-4 Gas Lift

The SL302C (ROG Courser Core) is an ergonomically designed gaming chair built for gamers, streamers, and professionals who spend long hours at their desks. Engineered with high-density cold-molded foam encased in premium, breathable PU leather, the SL302C provides supportive cushioning that maintains its shape over extended use. Featuring built-in contoured lumbar support and an adjustable neck pillow, it promotes proper posture and reduces spinal fatigue. Equipped with a sturdy steel frame, smooth 2D adjustable armrests, a multi-tilt mechanism with reclining up to 135 degrees, and a heavy-duty Class-4 gas cylinder, it offers durable build quality and long-lasting comfort.

• Ergonomic Contoured Structure: High-density cold-cured foam cushioning offers long-lasting support and posture alignment during long gaming sessions.
• Breathable Premium PU Leather: Easy-to-clean synthetic leather with localized perforations keeps sitting surfaces cool and comfortable.
• Built-in Lumbar & Head Support: Features integrated lower-back contoured alignment and a detachable headrest pillow for neck support.
• 2D Adjustable Armrests: Position armrests for optimal height and horizontal angle alignment to reduce wrist and forearm strain.
• 135° Recline & Tilt Lock: Recline smoothly back up to 135 degrees with customizable tilt tension for relaxing between matches.
• Class-4 Gas Lift & Steel Frame: Heavy-duty steel inner skeleton and Class-4 hydraulic cylinder provide strong weight support and safety.

SL302C: Ergonomic Core Support & All-Day Gaming Endurance

Designed under ROG's functional ergonomic lineup, the SL302C delivers essential posture support and durable materials for competitive gaming setups.

Cold-Molded Foam & Integrated Posture Alignment

The SL302C utilizes high-density foam filling that distributes weight evenly across the seat base and backrest. Its contoured lumbar curve supports natural spine positioning, helping reduce lower back stress during long gaming sessions.

Heavy-Duty Construction & Flexible Adjustability

Built around a solid steel frame, the SL302C features a 135-degree reclinable backrest and 2D armrests. Supported by a Class-4 gas lift and a durable 5-star base with smooth-rolling casters, it offers safe and comfortable everyday height adjustment.

Technical Summary Table