Another vote for OpTech!
There are clips either side of the padded section for release..
Another happy Op/Tech user here.
Andy, these are what I use: https://www.amazon.co.uk/OP-TECH-Pro-Strap-Black/dp/B00092KD9C/ref=sr_1_1?ie=UTF8&qid=1464007822&sr=8-1&keywords=op/tech+strap
I've actually got a Talk Photography branded one that I bought back from here in the day!