Zone3 Hydration Control Swim Buoy

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£7.01 (18%)
In stock and ready for shipping from our base in Cornwall

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Zone3 Hydration Control Swim Buoy

Designed with the long distance swimmer in mind, the all new Zone3 hydration buoy allows you to keep hydrated whilst swimming in open water, as well as helping improve your visibility at the same time thanks to its bright colour.

Hydration is key in all disciplines but is often overlooked in open water due to the impracticalities. This is the only style of buoy which can allow you access to regular drink during long swims which is essential to stay hydrated especially when swimming in a wetsuit. This is the only style of buoy which allows access to regular drinks breaks during long swims in open water. Most triathletes drink regularly during cycling or pool swimming – it is essential that this is maintained when open water swimming too.

The body of the tow buoy is inflated to form a donut shape with pocket on top. The specially designed 1Litre hydration reservoir sits neatly into this pocket with an extension hose and bite valve for drinking.  Once inflated the buoy forms a reservoir in the middle which stores the 1 litre 0.3MM TPU bladder pack. This connects with a drinking tube with bite valve to allow quick and easy drinking of fresh water or energy drinks.

The adjustable dual belt design attaches securely around the swimmer's waist and the leash ensures that the product remains outside of ones stroke range whilst swimming.

The buoy is highly recommended to all open water swimmers who want to stay hydrated during a long swim, or anyone who wants extra visibility when open water swimming.

When the buoy is lying flat the internal area of the bag measures 48cm x 36cm.

Zone3 Hydration Control Swim Buoy Features

  • Built in hydration reservoir - 1Litre bladder
  • Hydration hose with bite valve
  • High visibility neon orange colour
  • Tow leash with adjustable waist belt
  • Laying flat the Hydration Buyoy the internal area of the bag measures: 48cm x 36cm
  • Fill the bladder pack with your choice of liquid.
  • Inflate the buoy using the mouthpiece with the bladder pack inside.
  • Attach the waistband. 
  • Get swimming!

Availability, Delivery & Returns


"In Stock"
This means that the item is in stock and ready for despatch. We do make the odd mistake but 98% of items that say in stock, are actually in stock. If you are ordering a quantity of any item, you are welcome to email or phone to check the quantity available.

"Despatch 6-10 Days"
You are able to buy/order the item but just to advise you that the item is not currently in our warehouse and therefore not available for immediate despatch but is on order or en route to us from the supplier and we hope to despatch your order within 6-10 Working Days, often less. If you want to know more details do just e-mail or phone us.

"Sold Out"
May mean the item is no longer available or possibly out of stock for some time. If you want to know more details just e-mail or phone us.


Free Standard UK Delivery on orders over £35 are usually sent by Royal Mail Tracked 48 service (*exclusions apply see Delivery FAQs). FREE delivery, on orders over £35, applies to MOST, NOT ALL* UK mainland addresses (*exclusions apply see Delivery FAQs). We use a combination of Royal Mail and Carrier services and in some cases a signature is required to confirm receipt (high value/bulky orders).

For further detailed information please see Delivery FAQs.

We reserve the right to collate multiple orders into one delivery if going to the same address. We are unable to split orders/deliveries if any one item in an order is not available from stock, indicated by 'Despatch due date / Awaiting stock / Stock expected'. So we would usually despatch an order once complete as/when all the items are available from stock to send as one parcel.


We hope you are completely satisfied with your purchase but any Christmas Gift purchases from Saturday 21st October 2023 which are unsuitable may be returned for exchange or refund, when received by 13th January 2024

Please email or phone us on 01736 751066 for a RETURNS AUTHORISATION NUMBER before sending the goods. Do please click here for all the details

Zone3 Hydration Control Swim Buoy Reviews

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