Sihoo B100 PRO Ergonomic Office Chair with Footrest, 4D Flip-Up Armrests
US$539.98
Arrives as soon as ✓ Free shipping — over $200Description
Product Details Color:Light Grey Pattern:Solid Size:Pack of 1 Item Dimensions:28.3 x 27.6 x 51.6 inches Item Weight:41.5 pounds Maximum Weight Recommendation:300 pounds Included Components:...
Delivery & Returns
Ships to the United States
Free shipping on orders over $200 · $6.90 below that
30-day returns. For change-of-mind returns, return shipping charges may apply depending on the item's packaged size and weight. Returns for damaged, defective, or incorrect items are free.
Free shipping over $200
Orders of $200 or more ship free. No code needed.
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Product Details
- Color:Light Grey
- Pattern:Solid
- Size:Pack of 1
- Item Dimensions:28.3 x 27.6 x 51.6 inches
- Item Weight:41.5 pounds
- Maximum Weight Recommendation:300 pounds
- Included Components:Arm Pad
- Number of Items:1
- Unit Count:1 Count
- Model Name:B100
- Model Number:B100
- Form Factor:Ergonomic
- Shape:L-Shape
- Additional Features:Adjustable Height, Arm Rest, Ergonomic, Head Support, Rolling
- Recommended Uses For Product:Office
- Room Type:Office
- Age Range Description:Adult
- Surface Recommendation:Hard Floor
- Indoor Outdoor Usage:Indoor
- Item Highlight:Mesh Office Chair with Adaptive Lumbar Support, Desk Chair with Wide Headrest, 300 LBS Grey
- Manufacturer Part Number:B100
- Material Type:Mesh
- Frame Material Type:Polycarbonate
- Product Care Instructions:Wipe Clean
- Seat Material:Mesh
- Fill Material:Mesh
- Upholstery Fabric Type:Mesh
- Assembly Instructions Description:Attach The Wheelbase To The Gas Lift Cylinder, Mount The Seat Mechanism, Connect The Backrest, And Install The Armrests And Headrest
- Back Style:Separated Bracket Back
- Style Name:Modern
- Finish Types:Matte Black
- Arm Style:3d Adjustable
- Furniture Finish:Mesh
- Cushion Style:Boxed Edge
- Leg Style:5-star Base With Casters
- Item Dimensions D x W x H:28.3"D x 27.6"W x 51.6"H
- Seat Height:17 inches
- Seat Depth:17.1 inches
- Seat Length:20 inches
- Arm Height:9.5 inches
- Chair Backrest Width:20.5 inches
- Furniture Base Movement:Rock
- Reclining Position Count:3 Position
- Number of Height Positions:5
About this item
- Adaptive Dynamic Lumbar Support — Long hours at your desk shouldn’t leave your lower back aching. The SIHOO B100 ergonomic office chair features elastic lumbar support with a dual-back design that moves with your spine. Lean forward to focus, sit upright in meetings, or shift positions throughout the day—this desk chair adapts with you, keeping your back supported and comfortable without feeling stiff.
- Retractable Footrest for Full Relaxation — Pull out the smooth footrest and stretch out fully. Lean back, relax, and transform this computer chair into a personal lounge for quick power naps, gaming sessions, or movie breaks after work. Comfort follows your every move.
- 4D ARMRESTS & LOCKABLE RECLINE — Adjust, rotate, or flip the 4D armrests to fit your posture or slide neatly under your desk. Three recline angles (110° / 125° / 135°) let this office chair shift effortlessly from focused work to relaxing breaks—perfect for home offices, gaming, or long study sessions.
- Plush Cushion & Ultra-wide Headrest — The widened seat cushion spreads weight evenly for lasting comfort. The 3D ultra-wide headrest supports your neck naturally, keeping shoulders relaxed during typing, calls, or video conferences. Sit longer, stay supported, and feel the difference in every hour at your desk.
- Breathable Mesh That Works As Hard As You Do — The full-mesh back and seat promote airflow, keeping you cool through long workdays or late-night gaming. Supportive yet breathable, this mesh office chair prevents overheating and delivers consistent comfort all day.
Shipping Policy
Everwood Interiors ships from the United States.
Most orders leave the warehouse within 1 business day and arrive in 2–7 business days.
- Free shipping on orders of $200 or more, applied automatically
- Otherwise shipping is a flat $6.90
- Your tracking number is emailed as soon as your order ships
- We currently ship to the lower 48 United States
Return policy
30-day returns.
If it's not right for the room, you can request a return within 30 days of delivery, and Everwood Interiors will email you return instructions. Change-of-mind returns must be unused, unassembled, and in their original packaging. There is no restocking fee. Depending on the item's packaged size and weight and how it needs to be collected, a change-of-mind return may have a return shipping or pickup cost. We only deduct the actual cost: we tell you the exact amount and get your OK before arranging a paid return, and if there is no cost, nothing is deducted. Returns for damaged, defective, or incorrect items are free.
How it works
- Email us at support@everwood-interiors.com with your order number.
- We send your return instructions within 1 business day, along with any return shipping cost so you can decide.
- Your refund goes back to your original payment method within 10 business days of the carrier scan.
Damaged or defective on arrival? Send a photo and Everwood Interiors replaces or refunds immediately, return shipping on us, and in most cases you won't need to send anything back.
