FAQ / weather
Can I use a running vest phone holder in winter?
You can wear it over winter layers if the fit remains comfortable, but the Défi chest pocket is not waterproof or a temperature-control feature.
Purchase, availability and delivery details are shown on Amazon UK.

Défi running vest · UK guide
can i use a running vest phone holder in winter
Guide / 01
What the answer means for this product
Its waist adjusts from 26–40in. Measure over the jacket you plan to wear and consider that cold conditions can affect phone operation and battery runtime.
Guide / 02
A useful next check
Check your device maker’s temperature guidance and protect the phone separately from rain or snow.
Good to know
Questions, answered.
Can I use a running vest phone holder in winter?
You can wear it over winter layers if the fit remains comfortable, but the Défi chest pocket is not waterproof or a temperature-control feature.
Défi The Elements