In my case, my calibre6 strap is the best strap i've tried so far. Not sure what happened with monza strap. It confused me. But i noticed my calibre6 strap is more rigid than monza strap. Oh btw remember that i got my monza 2nd hand. Even the owner just wore it for 3 days. I dont know if that's count for anything but i am seriously thinking to buy custom strap for my monza now.
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