True Cooling Pillow, Say Goodbye to Hot Nights — Our orthopedic pillow is fully upgraded inside and out, featuring second-generation cooling technology that can instantly lower skin temperature by about 5°C. The pillowcase is made with an ice-silk leather structure, and the sleep contact area integrates cooling technology to deliver a real, instantly noticeable cooling sensation on your face. In addition, the core is made of highly breathable memory foam, providing excellent ventilation for a cooler, fresher, and more comfortable sleeping environment.