Ergonomic Office Chair : Enjoy full ergonomic support that cradles your head, back, hips, and arms for superior comfort during long hours. The built-in lumbar support aligns perfectly with your spine, helping reduce fatigue from extended sitting. Ideal for users 5 ft 5 in -6 ft 2 in, with adjustable seat height, headrest, recline, and flip-up armrests for a truly customized fit.Breathable skin-Friendly Mesh:As a mesh office chair, it has lumbar support, adjustable headrest, breathable mesh backrest, and thickened soft seat-perfectly fitting the spine s four-degree curvature. Equipped with wear-resistant and noise-free 360degree(s)casters, it slides smoothly on the floor without scratching the surface.3D Adjustable Armrest :The ergonomic office chair features 3-way adjustable armrests (up/down, front/back, in/out) to perfectly support your arms, reducing shoulder and wrist strain