The 3 initial models were announced on Instagram:
- https://www.tarptent.com/product/stratospire-ultra/
- https://www.tarptent.com/product/scarp-1-ultra/
- https://www.tarptent.com/product/double-rainbow-dw-ultra/
Ultra TNT is a new DCF-like laminate from Challenge Sailcloth which is less expensive but slightly heavier.
Sound very promising! Is there a difference between Ultra TNT and the Ultra 200 and 400 you see in backpacks?
Yes, they are entirely different.
Ultra 200 is woven UHMWPE and polyester and weighs 3.5 oz/yd while Ultra TNT is yarns inserted in the warp and CrossPly at 0.94 oz/yd