New masks have a protective oil film on the lenses that, if left on, cause masks to fog. It is important to wash with a non-abrasive detergent before use.
In the same way, you should wash new fins and snorkels as well.
To avoid confusion over gear ownership, you should mark your gear with your name or easily identifiable mark.
Next, you should adjust all straps for the best fit possible.
Equipment Setup
