Beuchat Focea Undervest...
Complements the one-piece with collar
> 2.5mm ultra flexible Elaskin neoprene for maximum comfort
> Interior entirely in Fireskin for maximum warmth
> Smooth outer neckpiece for a perfect seal with the collar of the one-piece
> 5mm hood with photoluminescent print markings and Air Escape System to
vent air bubbles that build up in the hood