Filled with superior cool, hypoallergenic poly gel fiber and built to last. It’s covered in a soft-brushed microfiber shell with MicronOne technology encased in an exclusive pillow protector dyed in the pillow, and made from cool, crisp with a hidden zipper and luxurious white satin piping. MicronOne technology firm down alternative pillow provides a superior level of protection against dust, mites, and even bedbugs, in an attractive, streamlined design. Featuring a double-needle stitch with a satin cord, this MicronOne technology firm down alternative pillow is a superb combination of protection and style.