Menu
Ultraflask 500ml
20% OFF
*See conditions
Home delivery from 21/08/2026
60 days to change your mindThe Ultraflask 500 ml from Hydrapak will perfectly fit on your backpack's shoulder strap or on your running belt.
Its wide opening allows you to fill it up easily while its screw-on cap allows you to close it just as easily. To save additional space, you can remove the tube and attach the valve directly to the cap.
The Ultraflask 500 ml's volume shrinks as you drink, preventing water from shaking when moving around.
- Materials: Lightweight 0.25m TPU / HDPE / Silicone
- Lightness: The 0.25mm TPU provides a light weight without compromising durability
- Compact: These collapsible flasks shrink as you drink preventing water from shaking and to easily packs away when empty
- Valve: Perfectly sealed high-flow valve to prevent water from leaking
- Optimized shape: Perfect for hydration jackets or hydration belts
- Dimensions: 255 x 60 mm
- Capacity: 500 ml
- Weight: 44g
Our Bloch' letter
