Built for demanding environments, this ergonomic Sienna MP 24/7 chair delivers round the clock support and durability for task intensive offices.
A low Comfort Cut Out at the rear of the seat and back provides added clearance at the hips and lower spine, creating space for broader bodies or large utility belts. A 9 ply tapered seat shell and dual density foam make this chair rated for 24-7 use.
The back panel uses rugged black ballistic polyester for added wear resistance, and the seat and back are upholstered in your choice of hand-sewn eco-friendly fabrics.
The RFM Seating Sienna MP 24/7 Chair is engineered for environments where performance never stops and comfort cannot be optional. Proudly manufactured in the USA, the Sienna MP is designed to support users through extended shifts, shared workstations, and high-demand operations—delivering dependable durability alongside thoughtful ergonomic comfort.
Built for 24/7 use, the Sienna MP is an ideal seating solution for control rooms, dispatch centers, healthcare operations, security monitoring, and any workplace where chairs are in constant rotation. Rather than focusing solely on strength, the Sienna MP balances heavy-duty construction with human-centered ergonomics, ensuring users stay supported, alert, and comfortable throughout long hours of seated work.
Seating used around the clock faces unique challenges. Chairs must withstand constant movement, frequent adjustments, and a wide range of body types—often without downtime. The Sienna MP 24/7 Chair is built specifically for these realities.
Its robust internal construction and durable components are designed to perform reliably under continuous use, making it a trusted choice for mission-critical environments. At the same time, the Sienna MP avoids the overly rigid or industrial feel common in many 24/7 chairs, offering a seating experience that remains comfortable even as shifts stretch on.
True ergonomic seating does more than support the body—it adapts to it. The Sienna MP incorporates ergonomic design principles that encourage healthier posture while allowing natural movement throughout the workday.
The chair’s supportive back design helps maintain proper spinal alignment, reducing strain on the lower back during prolonged sitting. Adjustable features allow users to fine-tune their seating position, making it easier to find a comfortable, supportive posture whether seated for a short task or an extended shift.
This adaptability is especially important in shared or rotating workstations, where multiple users rely on the same chair. The Sienna MP accommodates diverse body types and preferences without compromising stability or support.
Extended sitting can lead to fatigue, pressure buildup, and discomfort if seating isn’t thoughtfully designed. The Sienna MP addresses these challenges with carefully contoured seating surfaces and supportive cushioning that help distribute weight evenly and reduce pressure points.
By supporting the body in key areas—hips, thighs, and lower back—the Sienna MP helps users remain comfortable and focused for longer periods. This can make a meaningful difference in environments where alertness, concentration, and physical comfort are essential to performance.
While many heavy-duty chairs rely on oversized frames and stiff designs, the Sienna MP takes a more refined approach. Its structure is reinforced for durability, yet the chair maintains a clean, professional profile that fits seamlessly into modern workspaces.
This balance allows the Sienna MP to support demanding usage without feeling cumbersome or restrictive. Users benefit from strength and stability while still enjoying freedom of movement and ergonomic flexibility.
The Sienna MP 24/7 Chair is well suited for a wide range of applications, including:
Dispatch and emergency response centers
Healthcare and nursing stations
Security and surveillance operations
Control rooms and monitoring hubs
Industrial and logistics offices
In each of these settings, seating must do more than simply last—it must support the people who rely on it through long hours and high-stress tasks. The Sienna MP is designed with that responsibility in mind.
In addition to performance, the Sienna MP offers a refined aesthetic that coordinates easily with other RFM Seating products. Its clean lines and professional design allow it to integrate smoothly alongside task chairs, conference seating, and guest seating—helping organizations maintain a consistent visual language throughout their space.
This cohesion supports both functional and design goals, creating environments that feel intentional, polished, and people-focused.
Like all RFM Seating products, the Sienna MP 24/7 Chair is manufactured in the USA, reflecting decades of expertise in ergonomic seating design and craftsmanship. RFM’s commitment to quality ensures that every chair is built to deliver long-term value—through durable materials, reliable mechanisms, and thoughtful engineering.
Choosing the Sienna MP means investing in seating that supports both operational demands and human well-being, shift after shift.
The Sienna is more than a heavy-duty chair—it’s a purpose-built seating solution for environments that never pause. Designed for continuous use, ergonomic comfort, and dependable performance, the Sienna MP supports people through the demands of real work, every hour of the day.