The cleaning instructions for GF30 Conical Coat can be found on the tag inside of the coat.

To clean, you will need wetsuit cleaner and a tub of cool water.  Stir the wetsuit cleaner into the tub of cool water, as directed on the instructions of the cleaner.

Next, turn the Conical Coat inside out and submerge it in the tub of cleaner and water.  Knead the cleaner into the coat and let sit for a while.

After sitting, thoroughly rinse out your Conical Coat with cool water and hang it up to dry.