The M56 chair, a classic SIHOO ergonomic favorite, is known for its cost-effectiveness and broad appeal among professionals. Featuring a Y-shaped thickening bracket design, flexible height-adjustable backrest, and adjustable lumbar support, it provides solid and comfortable support. The W-shaped contoured seat cushion adheres to ergonomic principles for long-lasting comfort, making it a versatile choice for home or office use.
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The 30cm wide headrest is equipped with a 9cm lift adjustment and a 45° angle adjustment, providing flexible support for users to relieve pressure on the cervical vertebrae.
The backrest can be adjusted with a 6cm lift height, accommodating users with heights ranging from 155cm to 180cm. The backrest follows the natural curve of the human spine, delivering comprehensive back support for comfortable sitting and leaning.
The lumbar support is designed in the shape of butterfly wings, perfectly matching the curvature of the human waist. Users can adjust the lumbar support up and down by 3.5cm, allowing for flexible and comfortable customization.
Users can choose between fixed or liftable armrests. Fixed armrests feature a crescent-shaped design made of high-quality materials with a delicate touch surface, providing arm support. Liftable armrests have a height adjustment of 10cm, enabling users to set the desired height to comfortably support their elbows.
The W-shaped curved ergonomic seat cushion mimics the human hip line. It is constructed with a 1.96-inch thick virgin white cotton, offering a soft and elastic sitting experience. The cushion ensures even pressure distribution, preventing compression of the buttocks and legs, and is suitable for prolonged sitting.