Brateck Ergonomic Mesh Office Chair with Headrest (76x71.5x112.5-119.5cm) Up to 150kg - Mesh Fabric-Black FEATURES ●Breathable Mesh Back: adds air circulation and cooling (particularly during summer time) ●High Elastic Molded Foam: relieves sedentary pressure for optimum comfort ●Adjustable Lumbar Cushion: alleviates lower back pain during long periods of sitting ●Pneumatic Seat-Height Adjustment: quick and easy adjustment regulated height of chair relative to the floor ●Height-Adjustable Armrests: adapt to various sizes and positions reducing fatigue ●Adjustable Headrest: provides exceptional support for head comfort SPECIFICATIONS Product Category: Office Chair Rank: Standard Dimensions(WxDxH): 76x71.5x112.5-119.5cm (29.9'x28.1'x44.3'-47') Weight Capacity: 150kg (330lbs) Surface Material: Mesh Fabric Frame Material: Plastic Armrest Type: PU Leather Adjustable Armrest Pneumatic Lever Type: 100mm Class 3 Gas Lift Base Type: Nylon Plastic Base Caster Type: Nylon Caster Color: Black