TOPSTAR SITNESS 10 silla de oficina ergonómica con articulación 3D Sitness, respaldo de malla, asiento de tela, mecanismo sincronizado, reposabrazos regulables en altura, Negro

Long hours at a desk can strain your back and reduce productivity. The TOPSTAR SITNESS 10 office chair tackles this problem with an active sitting concept that encourages natural movement throughout the day. Its 3D Sitness joint allows the seat to tilt in all directions, engaging your core muscles and promoting a healthier posture. The synchronous mechanism keeps the backrest and seat in harmony, providing continuous support as you recline. Height-adjustable T-armrests relieve shoulder tension, while the breathable mesh backrest prevents overheating. Built on a polished aluminum base with double safety castors, this chair combines stability with smooth mobility on carpeted floors. Whether you are working, gaming, or studying, the SITNESS 10 adapts to your body, not the other way around.

Who is it for

This chair is ideal for office workers, remote professionals, and students who spend several hours seated daily. It suits users up to 110 kg and is perfect for those seeking an ergonomic solution that promotes active sitting and reduces fatigue.

Main features

• 3D Sitness joint for dynamic, all-direction seat movement
• Synchronous mechanism with stepless seat height adjustment via safety gas spring
• Height-adjustable T-armrests for personalized arm support
• Breathable mesh backrest and comfortable fabric seat
• Polished aluminum 5-star base with double safety castors for carpeted floors
• Height-adjustable backrest for optimal lumbar support
• GS-certified (TÜV Rheinland) for tested safety and quality

Specifications

• Chair type: Office chair / swivel chair
• Mechanism: Synchronous with Sitness joint
• Seat height adjustment: Stepless, via safety gas spring
• Backrest adjustment: Height-adjustable
• Armrests: Height-adjustable T-armrests
• Base: Polished aluminum 5-star
• Castors: Double safety castors for carpeted floors
• Seat upholstery: Fabric
• Backrest upholstery: Mesh
• Colour: Black
• Maximum user weight: 110 kg
• Seat height range: 43 - 51 cm
• Seat dimensions (W x D): 48 x 48 cm
• Backrest height: 58 cm
• Overall height range: 101 - 113 cm
• Overall width: 60 cm
• Overall depth: 70 cm
• Special feature: 3D Sitness joint for active sitting
• Certifications: GS-certified (TÜV Rheinland)

Tips

To get the most out of your SITNESS 10, adjust the seat height so your feet rest flat on the floor and your knees are at a 90-degree angle. Use the 3D Sitness joint to engage your core throughout the day—small movements can help reduce stiffness. Periodically check that the castors are free of debris to maintain smooth rolling on carpet.