A light, collapsible flask that won’t slosh.

The Precision Fuel & Hydration 500ml Soft Flask is an ultra-light, collapsible bottle that shrinks as you drink, so there’s less sloshing and bouncing. It’s BPA- and PVC-free and folds down small when empty.

Best for

• Road and trail running
• Running vests and hydration packs
• “Bring your own cup” races

Key specs

• Type: Collapsible soft flask
• Ideal use: Long runs, trail runs and races with a vest
• Capacity: 500ml
• Valve: Bite valve
• Material: BPA- and PVC-free
• Features: Shrinks as you drink, folds flat when empty

Why you’ll love it

• Shrinks as you drink, so less sloshing.
• Ultra light and packs down small.
• Fits most vest pockets.

How to use

Fill with water or your drink mix, push out the air, and close the cap. Bite the valve and squeeze to drink.

True Stryde tip

Mix PH tablets or Carb & Electrolyte Drink Mix in it for long runs. Great in race-vest front pockets.

FAQs

Will it fit my vest?
It suits most running vests and hydration packs with front flask pockets.

Can I put drink mix in it?
Yes. Rinse it straight after use so sugar doesn’t build up.

Is it BPA free?
Yes, it’s BPA- and PVC-free.

Care

Rinse after each use with warm, soapy water and let it dry fully before storing.

Getting ready for a big run? Pop into True Stryde in Berwick for help with your race-day kit, fuel and hydration. While you’re in, ask about our OCHY gait analysis.