The fabric is textured cotton which I purchased from Michael's Fabrics more than a couple of years ago. It has scale-like woven pattern.
I used the pattern Simplicity 2648. Because the fabric was not opaque enough, the dress needed to be lined. I omitted the neckline and armhole facings but applied interfacing instead, and finished armhole with a bias tape binding.
If you will be sewing a white dress this summer, it is a good idea to make a muslin and fine-tune the fit. White makes you look larger, so an impeccable fit is a must.
Happy sewing everyone!