Reverse sides of pillow for different levels of comfort and support - StaKoolTM mineral technology accelerates the absorption of additional body heat - StaDryTM technology in the cover captures, moves and releases moisture for healthy sleep - StaKoolTM technology provides enhanced cooling by capturing and releasing excessive body heat - One removable Memory FiberTM insert for plush comfort + One removable cluster foam insert for cushioned support - Cover is removable and washable for a flawless sleeping environment