I have this strap available from Moody Leather. It's 4' wide, Redwood/Curry w/ suede backing.
The long version, adjusts from 46" to 54".
This extra wide strap is great for a heavier bass.
I paid $163.99 but do not need it. In xlnt condition.
$100 shipped to ConUs.
PayPal only.
Here is a link to the website.
http://www.moodyleather.com/store/moodystore.html