The Ultra reminds me of my old Evutec case, with the weave wrapped around the edges and fused TPU core and covered with smooth resin. Those were nice cases, and to me, nicer than the Pro, or the style where the material is more a veneer/inlay for decorative purposes, like with most "wood" cases.
They only list the thickness and weight on their site, but email them and ask; it would also serve as a test of their responsiveness.
BF is month away, and if there is no hurry, I'd wait and purchase when the sales are in effect.