Memory Foam BackrestHigh-density memory cell foam was originally developed by NASA to relieve G-force strain during lift off. Temperature- and pressure-sensitive, it molds to the body's contour, offering optimal comfort. Provides maximum back support. Two adjustable straps hold cushion in place. Back Support Type: Chair; Material(s): High-Density Memory Cell Pressure-Sensitive Foam; Width: 16".
Manufacturer's limited one-year warranty.