I have been searching for sheets that actually fit the tempurpedic mattress. Other than your site, there aren't any. This sure limits the selection. I wasn't able to select the pillow case size - I have a king sized bed, but we use standard size pillows. I also have been searching for the sheets that would be comparable with the "Percale" sheets of old. I love the crisp, fresh feel of Percale. So, these sheets are OK -