Unived Soft Flask, Soft Collapsible Hydration Water Bottle, Lightweight & Compact for use in Hydration Vests for Running, Hiking, and Outdoor Sports


Available: Out of stock

The RRUNN Soft Flask is a flexible flask that compresses as you drink to eliminate water bouncing and it’s blaster valve reduces the sucking effort. This is an excellent soft flask to be used on hikes, ultra-marathons, and can even be taken to your training and gym sessions.


  • BPA & PVC free
  • 16oz or 500ml
  • Easy to wash
  • Easy to carry
  • Compresses as you drink
  • No leaking – bite to drink
  • Blaster Valve – A new engineered valve that blasts water for quick and non-fatigue hydration
  • Higher flow, softer feeling in mouth, no leaking
  • TPU (Thermoplastic Polyurethane) – Used for specific properties like-elasticity, transparency to clearly see the water level inside,  taste free material
  • Fits into the front pockets of your favorite Hydration vest

Additional information

Weight0.07 lbs
Dimensions3 × 9 × 28.5 in