Hollofil pillow, Microfiber pillow, Square Pillow with polyfill.
Hollofil pillow contains Hollofil polyester that allows the pillow to very supportive, but still offers a touch of plushness. You don't have to worry about this pillow going flat, since the non-collapsible polyester clusters hold the pillow shape so it won't lose loft. With the pillow's firmness, this pillow would be a dream for side sleepers and some back sleepers.
Microfiber Pillow: Their unique, ultra-fine compositions measure 0.9 denier and less. They provide down-like softness and compression in pillows. Machine washable and hypoallergenic, microfiber fills have quickly become the industry’s insulation of choice for upscale pillows.
