The following description is from the http://www.treeztreetents.com/Order.html
Complete basic package: Customized—handbuilt and fit—2.5 oz. Ripstop Nylon Tent w/double doors and three integrated, fully zippable and screen-backed windows, two large, permanent storage pockets plus foot-end storage strap and area and with exterior accessory/gear ties already installed; all permanently installed on web-tensioned, high-strength, low-weight, high-tech, outdoor cloth base; black, anodized Easton tent pole set; our 3:1 Tensioner device w/supporting hardware and lines, 3, 10' Tree-Saver Bands (TSBs) (also expandable) w/single Carabiner; full "Silnyl" Fly/Canopy @ 15+ oz.; custom logo stuff sack.
That should give you an idea of what the big boys use. Admittedly the "outdoor cloth base" is a bit vague. I think I might go with 500D ballistic nylon or even 1000D if weight is not an issue. But that's just my own paranoia seeping through. How many prototypes do you want to make in development?