Adjustable non-conductive monofilament like cable designed to be worn extended at regular length or “zipped” for a custom fit to the back of the head.
Features:
Adjustable, monofilament-like cable
14″ adjustable cable length extends to 14″ and shortens to approximately 9″
Available in universal silicone ends accommodating most temples s
4.6
33 ratings
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Awesome.
Kenyon · May 5, 2026
Mono Keeper
These glasses keepers are amazing. So easy to adjust and no discomfort on my ears.