FAQ / sizing
How tight should a running vest phone holder be?
It should feel secure without restricting breathing, arm movement or comfort. There is no single tightness setting that suits every runner.
Purchase, availability and delivery details are shown on Amazon UK.
Défi running vest · UK guide
how tight should a running vest phone holder be
Guide / 01
What the answer means for this product
The Défi waist adjustment is 26–40in. Tightening beyond a comfortable fit does not create a guaranteed no-bounce result and may make the vest unpleasant to wear.
Guide / 02
A useful next check
Load the phone, adjust gradually and take a few deep breaths, reach motions and a short jog. Loosen or remove it if it causes pressure or discomfort.
Good to know
Questions, answered.
How tight should a running vest phone holder be?
It should feel secure without restricting breathing, arm movement or comfort. There is no single tightness setting that suits every runner.
Défi The Elements