et up in dry conditions.
Switch the module on before placing it in the pouch.
Insert the module fully and ensure the double magnetic closure clicks into place twice.
Wear the vest under your wetsuit as normal.

The heating module is removable from the garment. There are no stitched-in electronics, wiring looms, or permanent electrical joins. All electronics are self-contained and stored inside a sealed pouch, away from damp materials, leaving the garment itself as a passive textile layer.