Originally Posted by sweet
Your post interested me so I read this article:
http://www.otvest.com/
Sorry I cannot help with designing one of these, sounds pretty unique.
This web site shows really clear pictures and explains it. You could actually probably buy a denium jacket and then re do it , at the very end are some more articles in small print at bottom of page. Good Luck, I had never heard of it...Interesting, but makes sense, our 12 yr old is hyper and on meds for concentration and anger problems...