FAQ / sizing
How do I stop the vest riding up when I run?
Check that the vest is adjusted comfortably, sits over the intended layer and is not overloaded. No anti-slip or stay-in-place guarantee is confirmed for the Défi vest.
Purchase, availability and delivery details are shown on Amazon UK.

Défi running vest · UK guide
how do i stop the vest riding up when i run
Guide / 01
What the answer means for this product
The waist range is 26–40in. A fit near the edge of that range or a heavy, unevenly loaded pocket may affect how the vest feels in motion.
Guide / 02
A useful next check
Try a short jog with the phone in place, make small adjustments and stop if the vest keeps shifting or causes rubbing.
Good to know
Questions, answered.
How do I stop the vest riding up when I run?
Check that the vest is adjusted comfortably, sits over the intended layer and is not overloaded. No anti-slip or stay-in-place guarantee is confirmed for the Défi vest.
Défi The Elements