The Sertapedic Superior Loft Mattress Pad is designed to provide optimal comfort and support for a rejuvenating night's sleep. Its overfilled design features a 1.5" gusset that helps enhance the cushion of your mattress for ultimate loft, while its moisture-wicking properties help keep you cool and dry all night. The fiberfill is hypoallergenic, and the soft microfiber cover is treated with Microban antimicrobial protection on an odor-resistant fabric. The Sertapedic Superior Loft Down Alternative Mattress Pad also has elastic along the edges that delivers a snug fit to keep it secure on mattresses up to 18" deep. For easy care and maintenance, this mattress pad is machine washable. Available in Twin, Twin-XL, Full, Queen and King sizes. Item ships in vacuum-sealed packaging for a reduced carbon footprint. Not just sorta comfortable, Serta comfortable.