UltraFlask (500 ml) - Lightweight Soft Bottle

UltraFlask (500 ml) - Lightweight Soft Bottle




The Hydrapak Ultraflask flexible bottle is ideal for athletes who are looking to stay hydrated without any inconvenience. The integrated tube can be used to drink more easily when you are in motion, while the auto-seal bite valve limits overflows and spills.


  • Lightweight soft bottle
  • Flexible design that shrinks as you drink - once empty it compacts to a fraction of its full size
  • Fits in most hydration vest, belt or pack pockets
  • BPA-free abrasion-resistant TPU
  • High-flow silicone auto-seal bite valve helping to eliminate splatters and spills
  • Includes two cap sets: one with a removable bite valve and one with an adjustable drink tube that can be cut to a custom length
  • Wide mouth opening easy to fill with ice
  • Weight: 44 g (1.5 oz.)
  • 500 ml (17 oz.)