1. Equipped with patented multi-stage adjustment device capable of expanding or reducing a "curvature" of its cushion based on a body type to fully protect your pelvis for various body types.
2.3D-wrap design for comfortable support on your waist and outsides of your both thighs.
3.Ergonomic design to become easy to use and carry.
4.Surface incorporates far-infrared functional fabric to aid in prolonged sitting comfort.
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