Product details
- Trail runners needing hands-free hydration
- Ultra-marathon and endurance athletes
- Cyclists wanting a collapsible water bottle
- Ultralight hikers and backpackers
- Outdoor adventurers with limited pack space
- Anyone using running vests or hydration packs
- 1 × 500ml Foldable Silicone Soft Flask
Does this flask collapse when empty?
Yes, the foldable silicone design collapses when empty, saving space in your pack and reducing bulk compared to rigid bottles.
Is the silicone food-safe?
Yes, it is made from BPA-free food-grade silicone that is odor-free and taste-free for clean-tasting hydration.
Does the bite valve leak?
No, the leakproof bite valve cap provides secure, squeeze-to-drink hydration without leaking when stored upside down in a running vest.
Will this fit my running vest?
Yes, it is designed to fit standard running vest front pockets and hydration pack slots for convenient on-the-go access.
Can I use this for hot drinks?
No, this flask is designed for cold and room temperature beverages only. Do not use with hot liquids.
How much does this weigh?
The flask is ultralight, adding virtually no weight to your kit — essential for ultralight hikers and trail runners.
How do I clean the bite valve?
Clean the bite valve regularly by removing it and rinsing with warm water. Air dry completely before reattaching.
What is the capacity?
The flask holds 500ml, providing enough hydration for trail running segments, cycling stretches, and activities between refill points.