SIHOO - B100 PRO Ergonomic Office Chair with Footrest, Breathable Mesh Chair, Adaptive Dynamic Lumbar, 4D Arm for Home, 300lb - Light Gray

Life doesn't happen in just one room—and neither should your chair. Whether you're tackling deadlines in your home office, relaxing in the living room with a movie, or deep into a gaming session in your entertainment room, the SIHOO B100 Pro ergonomic office chair moves with you through every part of your day. Let's talk about your back first. The adaptive dynamic sacral support lumbar pillow responds instantly to every shift in your posture, while the dual-back design cradles different areas of your spine. After 10+ hours at your desk chair, you'll feel the difference—less strain, more natural support, and zero guilt about those long workdays. Now picture this: you're finally off the clock. You recline your office chair to 135°, pull out the footrest, and suddenly your workspace becomes a lounge. The 4D flip-up armrests adjust up, down, forward, backward, and even rotate 360°—so whether you're typing, scrolling, or just resting your arms, they're exactly where you need them. And when space is tight? Flip 'em up and tuck your chair away. The 3D ultra-wide headrest adjusts on two joints to match your neck's natural curve, so you're never craning forward during video calls or leaning back during movie marathons. The plush, pressure-reducing cushion spreads your weight evenly—no. No more numb legs after long sits. And because nobody likes a sweaty back, the full mesh chair construction breathes like cotton. Air flows freely, keeping you cool whether you're singing at the top of your lungs in your entertainment room, grinding through a deadline in your bedroom office, or hosting a marathon movie night in the living room. Built like a tank but quiet as a whisper, this big and tall office chair supports up to 300 lbs and meets both SGS and BIFMA standards. No wobbles, no squeaks—just smooth, silent motion that won't interrupt your flow or your Zoom calls. From your home office to your entertainment room, from sunrise to sunset, the SIHOO B100 Pro is the executive chair that actually fits your life.

• Lumbar That Listens: The adaptive dynamic sacral support moves with your body, while the dual-back design targets different spinal zones. Whether you're leaning in at your desk chair or lounging back, it helps ease the fatigue of 10+ hour days.
• Arms That Do More, Footrest That Delivers: 4D flip-up armrests adjust up/down, forward/backward, and rotate 360°, syncing with your recline. Paired with the footrest, they help melt away tension—perfect for decompressing in your living room or entertainment room after a long day.
• Headrest That Hugs You Back: The 3D ultra-wide headrest adjusts on two axes to fit your neck's unique curve, evenly distributing pressure so you stay comfortable through long video calls, gaming marathons, or movie nights.
• Breathe Easy, Sit Longer: Full mesh chair construction keeps air flowing, preventing heat buildup during intense sessions. Whether you're gaming, singing, or working, this mesh chair keeps you cool and supported.
• Quiet Strength, Built to Last: SGS and BIFMA certified, this big and tall office chair supports up to 300 lbs with zero squeaks or wobbles. Silent, sturdy, and ready for whatever your day throws at it.