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Ultimate Performance - 500ml Flexi Flask


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Ultra lightweight, flexible and compressible.

This 500ml flask comes with a flexi-straw and soft bite valve for ease of use.

Specifically designed to fit the Aire Flex 18, Arrow 3 and Fleet 6 race vest packs from our range. 

Don’t let that stop you! These flasks are malleable and flexible so will compress to fit. 

The dimensions are:  Cap circumference approx. 17.5cm, Straw length from cap (bit valve included) approx. 16cm, flask length from cap approx. 19cm


Non-toxic plastic!

No phthalates!

No bisphenola!

Flask is made from recyclable materials ** PLEASE RECYCLE**

Enjoy! The Let's Run Team!


Economy Delivery

£2.99/FREE*2-5 Working Days (no tracking)
Next Day Delivery£5.50Next Working Day / Tracked / Signed / 
*Economy Delivery is FREE on UK orders over £75

Please note that some items may be 10% more expensive in-store.

We hope you love your purchase but if you ever need to return something to us check out our returns policy below : 

- Please return your unwanted goods to us within 14 days for a refund or exchange.

- Personalised items will not be accepted unless the personalised text is incorrect or if the item is faulty.

  • Returns information can be found on the dispatch note sent with your order.

For more information or to return an item click here

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