The memory foam comes along with holes through the pillow, which provide ventilation. Reliable memory foam pillows are in general the the very least breathable class of pillows, Therefore the ventilation is meant to deal with that situation. There is no solid relationship in my brain amongst the pillows https://zenfluffbestmemoryfoampil28371.blogolize.com/how-to-soften-zenfluff-memory-foam-pillow-things-to-know-before-you-buy-70192615