At the Good Housekeeping Institute Textiles Lab, we've tested more than 200 pillows for all types of sleepers, and our experts say these are the best cooling pillows. RELATED: Casper Pillows ReviewOther cooling pillows we tested:In addition to the featured cooling pillows above, our Lab experts think the following products are also worth considering:: We appreciate this pillow's use of Outlast technology to help keep your body temperature more stable. What to look for when shopping for the best cooling pillows✔️ Cooling technology: Look for fabrics with proven cooling technologies like Outlast or 37.5 phase change materials, which can absorb and release heat to keep your body at a more stable temperature while you sleep. ✔️ Fill material: While using a cooling pillowcase will make a big difference, the fill material can still have an effect on the pillow's cooling capabilities. FAQs about cooling pillowsDo cooling pillows actually work?