Gliding Office Chair Review
The three gliding office chairs each have their own characteristics. The Jingdong Zaizao Flying offers flexible dynamic support, the Hebaidiao P2UItra provides comprehensive functionality and comfort, and the Sihoo C300 Pro 2nd Generation offers rich adjustment options and good sacral support.

Jingdong Zaizao Flying: The lumbar support features a two-piece zoned design, similar to two hands cradling the waist, providing a strong sense of enclosure. The rear knob allows for adjustment of the support angle; when moving forward, the lumbar support also tilts slightly upward, better conforming to the natural curve of the waist when slouching. Its lumbar support can glide, providing dynamic support to the waist when sitting upright or slightly reclining, allowing for easy switching between sitting upright and slightly reclining positions. If the gliding function is not desired, there is a lever to lock it in place; when locked while sitting upright, the lumbar support does not retract upon standing up and will not glide even with further movement.
Hebaidiao P2UItra: The lumbar support system is a flexible waist-supporting and sacral-protecting structure that can slide independently up and down by about 6 cm and also allows for slight angle adjustments forward and backward. It features a "gliding adaptive" function that automatically follows the curvature of the spine when reclining, preventing the waist from hanging in the air. The armrests have a 5D design with practical functions; the "52ยฐ flip" function creates space for the arms to rest naturally during lunch breaks or when lying flat, and the surface is made of hard PU material for sufficient support. The seat depth can be adjusted forward and backward by 6 cm using a lever on the right side, and combined with a seat width of 43 - 50 cm, it can accommodate the body types of most Asian adults. In terms of materials, the frame is mainly made of nylon plastic, the mesh is high-rebound dragon-patterned special mesh with good breathability, the seat cushion filling is moderately soft and hard, the footrest is made of hard plastic (optional), and the chassis is a five-spoke steel structure with silent wheel sets, giving it an overall texture that far exceeds expectations for its price range. In actual use scenarios, it provides good support for daily office work, reclining for rest, and taking a nap during lunch breaks.
Sihoo C300 Pro 2nd Generation: The backrest has a gliding function that actively conforms and slides synchronously when sitting down, and the lumbar support can adhere to the backrest, preventing the waist and back support from shifting easily. The backrest supports direct up-and-down adjustment in 7 positions, providing a wide adjustment range so that people of different heights can find a suitable position. The lumbar support can be adjusted up and down along with the backrest to change the position of waist support, and it also has an adaptive waist-chasing function with 3-level adjustment to enhance the intensity of waist support. It can be adjusted forward and upward in angle, providing good support for the sacrum. The armrests offer rich support options, including up-and-down adjustment, in-rotation and out-rotation of the armrest surface, 360-degree rotation of the bottom shaft, and an armrest tilting-up function. There is also a half-section flip at the back, providing good support when playing mobile games or console games.



