[RC-Monster Mike]

The straps really can't be trimmed much(you would be trimming the "sticky" part). An 11" strap should work for all but the beefiest packs(someone wishing for longer straps can request them, as we have 8", 10", 11", 12" and 16" straps available). We also sell the straps in pairs for those using their own solution but needing straps, or those unsure of what size they need. :)