I bought a full size set in August 2020, based on a previous set I had for many years. The fabric is wonderful, it is crisp and comfortable. 
But I have had the stitching come loose twice: on the top sheet at the bottom hem; then on the bottom sheet at the corner seam. My sewing skills are very limited, the photos show where I stitched them back together.
I wash them in cold water, dry on medium with other clothes of similar weight. 
I really want to buy another set, but I am not confident that the construction is going to hold up.