FAQ / safety
Can I wear a hi-vis vest over a running vest phone holder?
Layering may work if the outer garment does not restrict movement or prevent access, but the Défi product has no confirmed hi-vis feature.
Purchase, availability and delivery details are shown on Amazon UK.

Défi running vest · UK guide
can i wear a hi-vis vest over a running vest phone holder
Guide / 01
What the answer means for this product
The vest is listed for carrying a phone, not as protective or visibility clothing. Adding a layer can also change how its 26–40in waist fit feels.
Guide / 02
A useful next check
Try both garments together while stationary and check that the outer layer is visible, comfortable and does not catch on the zips.
Good to know
Questions, answered.
Can I wear a hi-vis vest over a running vest phone holder?
Layering may work if the outer garment does not restrict movement or prevent access, but the Défi product has no confirmed hi-vis feature.
Défi The Elements