The memory foam comes along with holes through the pillow, which offer air flow. Sound memory foam pillows are normally the the very least breathable group of pillows, so the air flow is supposed to address that issue. ✔️ Take into account sound compared to shredded foam. Good foam https://zenflufftopmemoryfoampill25704.onesmablog.com/the-smart-trick-of-what-is-zenfluff-memory-foam-pillow-that-no-one-is-discussing-71440246