The Zone3 Compass and Whistle combination are compulsory requirements in Swim-Run events. These are as per the official products given out in the O’Til’O Championships and come together with the Bungee cord so they can be latched on to race belts, lanyard or wetsuits.
The whistle has a hole for attachment, a finger grip area to make the whistle easier to hold during cold weather. The polypropylene materials ensures that the material doesn’t corrode and floats in the water. The compass is also waterproof and durable and as well as servicing it’s key navigation function is also has INCH and MM ruler meters on the side for when using a map.