Because the Purple cushion has give, it doesn't obstruct my blood flow. All of this helps keep my back and hips in line, making it much easier to maintain good posture. The cons Something to be ...

You can get it for $8 off right now. Finally, Purple's Back Cushion fits seamlessly into the contour of your back for enhanced lumbar support throughout the day, keeping back pain at bay.

Its main support mechanism is Purple’s proprietary 3D GelFlex ... There’s also a cutout at the back of the cushion to take weight off the tailbone area. The seat cushion is made from charcoal ...