From Pathfinder Battlecry!, which isn't enabled.

Sailor's Collar

ITEM 4

Price 80 gp

Usage worn

Bulk L

Veteran sailors like to wear this jaunty blue collar, tied with a small bow in the front and tucked into the belt. It can even save your life if you fall overboard. When wearing the sailor's collar, you gain a +1 item bonus to Athletics checks.

Activate—Gasp for Air (air, concentrate)

Frequency once per day

Trigger You fail a Swim check

Effect Your collar inflates, giving you something to breathe from. You can breathe underwater for 1 minute.

Pathfinder Battlecry!ORC