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ULTIMATE DIRECTION SOFT FLASKS AND RUNNING BOTTLES

Ultimate Direction Body Bottles include standard and straw-equipped 500ml soft flasks, an insulated 450ml version and a compact 150ml gel flask. The range also includes a replacement straw lid and collapsible Re-Cup for cupless races.

Choose the standard 500ml bottle for straightforward front-vest hydration, the straw version where an extended drinking position is useful, the insulated flask for temperature control or the smaller gel bottle for concentrated nutrition.

Need help choosing? See our Ultimate Direction bottle guide ›
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Ultimate Direction Body Bottle 500 Soft Flask Ultimate Direction Body Bottle 500 Soft Flask

Soft 500ml flask shaped for Ultimate Direction vests, with a 42mm opening and auto-sealing high-flow bite valve that closes after each sip.
Capacity: 500ml · Weight: ~35g
Opening: 42mm · Valve: High-flow bite valve

Price: £22.50
Ultimate Direction Body Bottle 500 S Soft Flask with Straw Ultimate Direction Body Bottle 500 S Soft Flask with Straw

500ml soft flask with an 10cm drinking straw for easier access from front vest pockets, while the flask collapses as fluid is consumed.
Capacity: 500ml · Weight: ~42g
Opening: 42mm · Straw: ~10cm

Price: £27.00
Ultimate Direction Body Bottle 450 Insulated Ultimate Direction Body Bottle 450 Insulated Soft Flask

Insulated 450ml soft flask using a 2mm EVA foam layer to keep cold or warm drinks at their temperature longer than an uninsulated bottle.
Capacity: 450ml · Weight: ~51g
Insulation: 2mm EVA foam · Opening: 42mm

Price: £27.00
Ultimate Direction Body Bottle 150 G Gel Soft Flask Ultimate Direction Body Bottle 150 G Gel Soft Flask

Small 150ml flask designed for thick energy gel and nutrition, with a locking high-flow cap to dispense directly while helping prevent sticky leaks inside pockets.
Capacity: 150ml · Weight: 10g
Use: Energy gel · Valve: Locking high-flow

Price: £10.80
   
 
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Choosing an Ultimate Direction bottle

Ultimate Direction's current range centres on its Body Bottle system, with standard, straw, insulated and gel-specific options serving different hydration and nutrition requirements.

What is the difference between the Body Bottle 500 and 500 S?

Both provide 500ml capacity. The standard Body Bottle 500 uses a conventional bite valve, while the 500 S adds an approximately 11cm drinking straw so the valve can sit higher above a front vest pocket.

Choose the straw version if the bottle sits low in your vest or you prefer not to bend towards the flask when drinking. Check that your vest can retain the straw so it does not move around while running.

When should I choose the insulated Body Bottle 450?

The Body Bottle 450 Insulated uses a 2mm EVA foam layer to slow temperature change. It is useful when keeping water cooler in hot conditions, or warmer in cold weather, matters more than the additional 50ml capacity of the standard 500ml bottle.

What is the Body Bottle 150 G for?

The 150 G is designed for concentrated energy gel rather than ordinary hydration. Its 150ml size allows several gel servings to be carried together, while the locking high-flow cap helps reduce sticky leakage inside a vest, belt or clothing pocket.