Saudi women generally pray at home. Usually they put on a prayer dress on top of what they are wearing. The prayer dress is a loose long simple dress that extends down to the floor, has long sleeves, a high neckline, and may have a hood attached to cover the hair. These prayer outfits are usually made of a soft thin cotton fabric in a variety of colors and prints.
This shop sells women’s wear, including prayer dresses, abayas, and scarves. The photo of this post was taken in the same shopping plaza as the others. I can’t imagine ever wearing anything like it, even in my younger days, but maybe there are some women who might wear this in the privacy of their own homes.