Product Overview
The AXEN Soft Flask TPU Foldable Running Hydration Flask is a collapsible water bottle designed for active individuals who need reliable hydration on the go. Ideal for runners, cyclists, hikers, and marathon participants, this soft-sided flask easily fits into standard hydration packs without adding bulk. Its foldable design maximizes space efficiency while maintaining full functionality during use. Made from food-grade TPU material that’s both safe and durable, this flask supports temperatures between 0°C and 60°C, making it suitable for cold water or warm beverages depending on your needs.
Key Features
- Soft Collapsible Design: The flexible TPU construction allows the flask to fold flat when empty, taking up minimal space in your gear bag or hydration pack. This makes it perfect for long-distance activities where every ounce of weight and volume matters.
- Food-Grade Safety: Crafted from BPF-free thermoplastic polyurethane (TPU), the flask ensures no harmful chemicals leach into your drink. It’s non-toxic, odorless, and safe for regular use with both hot and cold liquids within the recommended temperature range.
- Durable Bite Valve with Dust Cover: Equipped with a sturdy bite valve system that includes a protective dust cover. This prevents leaks during storage and keeps dirt and debris out of the spout when not in use, ensuring clean, ready-to-drink hydration when you need it.
- Easy to Clean: The smooth interior surface resists stains and odors, simplifying post-activity cleanup. Simply rinse thoroughly after each use to maintain hygiene and extend the product’s lifespan.
- Lightweight & Portable: Weighing only what’s necessary due to its thin yet strong material, this flask adds minimal load to your gear without compromising performance.
Technical Specifications
- Capacity: 500ml / 16oz
- Material: Food-grade TPU (thermoplastic polyurethane)
- Temperature Range: 0°C to 60°C
- BPF-Free: Yes
- Package Includes: One hydration flask
Benefits & Use Cases
This hydration flask is specifically engineered for endurance sports and outdoor adventures. Whether you’re training for a marathon, cycling through remote trails, or hiking mountainous terrain, the collapsible nature of this flask allows seamless integration into most hydration vests or backpacks. Unlike rigid bottles that can shift awkwardly inside pouches, the soft flask conforms to its housing, reducing sloshing and improving balance while moving.
The bite valve provides a controlled flow of liquid, allowing you to hydrate hands-free without stopping—ideal for fast-paced activities. The included dust cap ensures protection during transit, so you don’t have to worry about accidental leaks or contamination between uses. Because it’s made from flexible yet resilient materials, it withstands repeated folding and unfolding without losing shape or functionality over time.
Additionally, the wide-mouth opening facilitates effortless refilling at water stations, fountains, or tap sources—no need for narrow caps that require tools or extra steps. Its neutral taste profile means your water always tastes fresh, whether used daily or seasonally.
Important Notes
Users should avoid placing the flask near open flames or high-heat sources due to its plastic composition, as excessive heat may compromise structural integrity or release unwanted fumes. Always ensure the bite valve is fully sealed before storing to prevent leaks. While the flask is dishwasher-safe on the top rack, hand washing with mild soap is recommended for optimal longevity, especially if frequently exposed to sugary or acidic beverages.
Note that this package includes only one 500ml/16oz flask. No additional accessories such as carrying clips, cleaning brushes, or storage cases are included unless specified separately in expanded bundle options.
