The Coop Sleep Goods Cool+ Adjustable Classic is part of the Pillows test program at Consumer Reports. In our lab tests, Pillows models like the Cool+ Adjustable Classic are rated on multiple criteria, such as those listed below.

Side support: A measure of how well the pillow supports those sleepers who lay on their side and the angle at which the head is positioned.

Back support: A measure of how well the pillow supports those sleepers who lay on their back and the angle at which the head is positioned.

Resilience: A combination of characteristics analyzing how the pillow's firmness, height, and support change with use.