(Set of 2) The PowerCool Pillow’s breathable design features ventilated Bamboo Charcoal Memory Foam to improve air circulation and ensure your pillow stays dry. Its Cooling Knit Fabric Cover provides a cooling sensation throughout the night. Side, back, and stomach sleepers can benefit from this ergonomic design, crafted to adapt to your head’s micro pressure points for a deeper, more regenerative night’s sleep.