Equipment
Every piece of gear: its name and what it does.
Dive mask
Gives you an air space in front of the eyes so you can see clearly.
Snorkel
Lets you breathe at the surface without wasting tank air.
Fins
Make your kicks efficient so you can move with little effort.
Wetsuit
A neoprene suit that traps a thin layer of water warmed by your body.
Drysuit
Keeps you dry and warm in cold water.
Thermal undergarments
Insulating layer worn under a drysuit.
Hood, gloves and boots
Protect the head, hands and feet in cool water.
BCD (buoyancy vest)
An inflatable vest to float, hover or sink at will.
Regulator (first and second stage)
Reduces tank pressure to a breathable level.
Alternate air source (octopus)
A spare second stage for your buddy.
Pressure gauge (SPG)
Shows how much air remains in the tank.
Dive computer
Tracks depth, time, ascent rate and nitrogen load for you.
Tank (cylinder) and valve
Stores your breathing gas under high pressure.
Weights and weight belt
Lead weights that offset your natural buoyancy.
Surface marker buoy (SMB)
An inflatable tube that shows the boat where you are.
Reel and spool
Line used to deploy an SMB or to navigate.
Dive torch
Brings back colours and lights holes and crevices.
Cutting tool
For freeing yourself from fishing line or nets.
Compass
Helps you navigate underwater.
Whistle, mirror and signal devices
Help others find you at the surface.
Dive slate
For writing messages and notes underwater.
Dive bags
Carry and protect your equipment.
Freediving equipment
Long fins, low-volume mask and a lanyard.
Underwater camera and housing
Record what you see.
Rebreather (advanced)
Recycles your breath for longer, quieter dives.