SIHOO M18 Ergonomic Office Chair, Adjustable Headrest & Lumbar Support

Features

• ALL-DAY COMFORT FOR WORK, STUDY & GAMING Designed for professionals, students, and gamers who sit for hours, this ergonomic office chair combines a breathable mesh back, adjustable headrest, and supportive lumbar cushion to keep you comfortable in home offices, dorms, or game rooms. Its clean, versatile look fits right into any modern workspace.
• SPINAL SUPPORT THAT MOVES WITH YOU The S-shaped backrest follows your spines natural curve, delivering balanced support from head to hips. Fine-tune your fit with the height-adjustable headrest, multi-position armrests, thickened lumbar pad, and a 3-position tilt lock so every posture, from focused work to a quick break, feels right.
• HEAVY-DUTY BUILD, WHISPER-QUIET GLIDE A reinforced steel mechanism handles everyday height adjustments, tilt tension, and recline locking without wobble. The SGS-tested gas lift and BIFMA-tested base deliver lasting stability, while silent casters roll smoothly across hardwood, tile, or carpet no scratches, no noise.
• EASY SETUP, SIMPLE ADJUSTMENTS Everything you need comes in one box: labeled hardware, clear instructions, and pre-assembled sub-components. Put it together in minutes, then personalize your seat height, headrest angle, armrest position, lumbar depth, and reclining tension for a true custom fit.
• YOUR SATISFACTION, GUARANTEED Backed by a 36-month warranty, 30-day hassle-free returns, and responsive U.S.-based support, this desk chair is built to perform and backed to last. If any part arrives damaged or your expectations arent met, our team responds within 24 hours to make it right. Add to cart with total peace of mind.