Our active range is made for resizing. But please be aware - you can resize down but not back up so we recommend doing this very slowly in stages.
Open the clasp in the buckle.
Remove silicone strap and cut to size - DO THIS IN STAGES AND CHECK EACH TIME.
Remember you cannot size back up.
Put the silicone band back into the buckle - be sure to NOT push it to the end. It won't close ontop of the band. Pull i t back slightly.
Squeeze the teeth down - they should sort of click down.