500ml Soft Flask Collapsible Water Bottle, White

Ultralight & Space-Saving Design: Weighing only 17.4g, this 500ml soft flask is designed for minimalist runners. The collapsible TPU body shrinks as you drink, eliminating water sloshing and fitting into hydration vest chest pockets without adding bulk 100% Safe & Medical-Grade TPU Material: Crafted from premium medical-grade TPU material, our water bottle is 100% BPA and PVC-free. Enjoy a clean, plastic-free taste even during long-distance treks or intense summer marathons High-Flow Bite Valve Technology: Equipped with a patented soft bite valve, it allows for quick, hands-free hydration on the move. Simply bite and sip; the valve seals automatically after each drink to prevent any messy leaks or drips Wide Opening for Easy Refill: The large-diameter mouth design makes refilling a breeze at aid stations and allows you to add ice cubes or electrolyte powder easily. The high-quality construction is explosion-proof and pressure-resistant for rugged outdoor use Versatile Outdoor Essential: Whether you are trail running, mountain biking, skiing, or hiking, this flexible water bag adapts to your needs. A durable and reusable alternative to single-use plastic bottles Compact & Collapsible Construction: The flexible TPU body collapses as you consume water, reducing size and weight during your activity while preventing annoying water movement inside the flask