Uploaded June 2020 | Updated September 2026, 1 week ago

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Overview of which Harrier soft flask is right for you, plus demo of cool new styles and colours in the 300ml and 500ml slim.

harrierrunfree.co.uk/collections/hydration

Soft Flask 300ml - now in 6 colours!
Soft Flask 500ml slim - now in 11 colours!
Cold eco cup - now in 19 colours!


300ml will fit in most race vests, including Harrier. Long and XL straw options also available. 14cm height (bottle height, not including bite valve or straw).

£8.99 no straw. £9.99 long straw. £10.99 XL straw.
harrierrunfree.co.uk/products/300ml-soft-flask


500ml slim not for Harrier race vests. For other brands which specifically require them. 24cm height (bottle height, not including bite valve or straw).

£9.99 no straw. £10.99 long straw.

harrierrunfree.co.uk/products/500ml-soft-flask-slim


Our regular 500ml (do fit Harrier race vests) are 18cm height, bottle only.

£9.99 no straw. £10.99 long straw. £11.99 XL straw.

harrierrunfree.co.uk/products/500ml-soft-flask

Free sanitizer tablet with all soft flasks.

Check out our 5 star reviews on Trust Pilot.
uk.trustpilot.com/review/harrierrunfree.co.uk

We ship internationally, rates calculated at checkout or contact us for price before purchasing.

Thanks!

Kate