Ultramarathon Running Store > Bottles / Cups / Soft Flasks > UltrAspire

UltrAspire Soft Flasks and Bottles


We use a BPA -free LDPE for our running bottles, which is preferred over PP for most sport applications because of its hand feel and squeeze-ability. (We know what it’s like to be a fatigued runner in the later stages of a long race trying to squeeze an impossible bottle!) We also use Tritan, when squeeze-ability is not an issue and stability is preferred, and Silicone, both of which, have great taste quality.
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UltrAspire BLODDLE STRAW ATTACHMENT UltrAspire BLODDLE STRAW ATTACHMENT

[ UltrAspire Cap, Tube, Quick Disconnector & Bite Valve : BLODDLE ]
Pairs with 42mm wide diameter opening soft bottles. Hydrapak Lifetime No-Leak™ Guarantee. Soft flask sold separately.

Our Price: £14.50
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UltrAspire SOFTFLASK STRAW 42mm Cap and Tube UltrAspire SOFTFLASK STRAW 42mm Cap and Tube

[ UltrAspire 42mm Cap and Tube: SOFTFLASK STRAW ]
Hands-free drinking lid/tube accessory compatible with all 42mm diameter opening soft bottles. Approx 10cm drinking tube with bite valve. Hydrapak Lifetime No-Leak™ Guarantee.

Our Price: £10.00
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UltrAspire 800mL Softflask with Locking Cap ( 17 oz ) UltrAspire 800mL Softflask with Locking Cap ( 28 oz )

[ UltrAspire Soft Flask: 800mL with Locking Cap ( 17 oz ) ]
Large capacity soft bottle with a twist-lockable cap that prevents unwanted leaks or spills. Wide 42mm opening makes for easy refills of ice cubes, fuel mix or liquids at aid stations.

Our Price: £15.00
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UltrAspire FORMULA 250 Soft Flask ( 250mL/8.5oz ) UltrAspire FORMULA 250 Soft Flask ( 250mL/8.5oz )

[ UltrAspire Soft Flask: Formula 250 ]
Stain resistant, odor-free silicone soft bottle with flip-top cap and high flow - even with thick food mixtures. Ideal for carrying thick energy gels, personalised real food mixtures, hydration drinks or simply water.

Our Price: £9.25
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UltrAspire 500mL Softflask ( 17 oz ) UltrAspire 500mL Softflask ( 17 oz )

[ UltrAspire Soft Flask: 500mL ( 17 oz ) ]
Wide 42mm opening makes it easy to refill the flask with fuel mix or liquids at aid stations. Flexible and collapsible the soft flask moulds to the shape of the body, reducing uncomfortable rubbing, bouncing and annoying sloshing noise.

Our Price: £13.00
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UltrAspire 300mL Softflask UltrAspire 300mL Softflask

[ UltrAspire Soft Flask: 300mL ]
Carry additional drinks or electrolytes in smaller vest pockets or in pockets of waist belts, short or tights. Narrower 28mm diameter opening helps the flask lay closer against the body for more comfort.

Our Price: £11.50
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UltrAspire ULTRAFLASK 550 HYBRID ( 550mL/18oz ) Soft Bottle UltrAspire ULTRAFLASK 550 HYBRID Soft Bottle ( 550mL/18oz )

[ UltrAspire Soft Bottle: Ultraflask 550 Hybrid ]
Curved, flexible / super-squeezable, easy stowing bottle that is a hybrid between a soft flask and a structured bottle.
Colours: Green, Blue, Pearl

Our Price: £10.75
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UltrAspire Soft Flasks and Bottles for Ultramarathon Runners

Keywords: UltrAspire bottles, water bottles, hydration bottles, UltrAspire soft flask, energy gel soft flask, electrolyte soft flask, hydration flask,

Ultramarathon Running Store is the UltrAspire UK & Ireland online supplier/dealer/distributor/retailer. We also ship internationally, including to the US & Canada, Europe, Australia, New Zealand and the rest of the world. Product pages include links to UltrAspire reviews and UltrAspire videos. If you have any question or request please Contact Us.