These sheets are amazing! We initially bought these because of the additional elastic strap on the fitted sheet, but I'm fully in love with the semi-fitted top sheet! I'm no longer pulling sheets back and forth between my husband and I. We have a kid that climbs in our bed at night and a dog that insists on sleeping on the bed, so sheets have been a struggle, but not these. BUY THEM!!! You will not be unhappy!!!