You're right aout the gooder quality elastic. The HF head lamp has a slider
"buckle", not sure what is the name for it. But, the strap is adjustable.
Problem is, the elastic is stretched out, and no longer stretchy.
Christopher A. Young
Learn more about Jesus
Just make sure the elastic isn't Chinese like the crap that came with
the light - or get a velcro strap that will always fit and won't need