FAQ / weather
Will sweat damage my phone in a chest pocket?
It depends on the phone’s own moisture protection and how much sweat reaches it. The Défi pocket is water-resistant, not described as sweatproof.
Purchase, availability and delivery details are shown on Amazon UK.

Défi running vest · UK guide
will sweat damage my phone in a chest pocket
Guide / 01
What the answer means for this product
A phone case and a separate moisture barrier may help protect the device, but check the manufacturer’s care instructions and avoid sealing in a wet phone.
Guide / 02
A useful next check
Wipe and dry the phone as its maker recommends after a sweaty run. Do not rely on the vest alone for moisture protection.
Good to know
Questions, answered.
Will sweat damage my phone in a chest pocket?
It depends on the phone’s own moisture protection and how much sweat reaches it. The Défi pocket is water-resistant, not described as sweatproof.
Défi The Elements