ProtoArc - Ergonomic Office Chair with Height Adjustable Backrest EC300 - Black
Model: EC300
SKU: 13178544
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About this product
Ergonomic Office Chair with Height Adjustable Backrest, Sliding Seat & 3D Headrest High-Back
Reviews coming soon
Ergonomic Office Chair with Height Adjustable Backrest, Sliding Seat & 3D Headrest High-Back
5-height backrest with targeted lumbar and wider lower-back/sacrum surface aligns key support zones with your spine, promoting a natural seated posture through long desk sessions.
5-position seat slider (50 mm / 1.97 in travel) matches thigh support to different leg lengths. High-density 55 foam evenly supports hips and thighs, reducing pressure points without bottoming out.
Adjust up/down, forward/back, pillow rotation, and overall rotation to fine-tune neck support whether you're typing upright, reading, or leaning back.
4-PositionLock the backrest at 90°, 105°, 120°, or 130° and adjust tilt tension, switching smoothly between focused work, reading, and short breaks. Recline with Tilt Tension
Alloy base, SGS Class-4 gas lift, and quiet-roll casters deliver smooth daily movement. Recommended for users 5'4"–6'1" (162–185 cm) up to 220 lb (100 kg).
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