So looking at all these myog things I wanna av a go at making a lightweight bivy bag. I cant find anywhere in uk on the net that sells pertex quantum material. Does anyone know of such a site or is there better material out there please

German site http://www.extremtextil.de/ has everything you need.

Cuben, pertex down to 7d, breathable fabric etc.

And a button that makes the info be displayed in English!