1/Collect a large amount of human neck inverted model data, and continuously adjust the curvature of the curved surface in the design software to more closely fit the curvature of the human neck2/It not only has a "C-shaped" embracing waist support, but also designs a raised module in the cross "T point" area between the waist and lumbar spine. According to different sitting postures, the car seat backrest can be adjusted to adjust the "T point" position. At the same time has both waist protection and top waist! This is the good time for the waist
3/Mesh fabric with excellent breathability