🔹 1. Premium Soft Flask for Runners, Hikers & Endurance Athletes: Stay hydrated without the bulk. The Ergotrail 500ml soft flask water bottle is designed for trail runners, marathoners, and adventure hikers who demand performance. Its lightweight, collapsible body fits easily into hydration vests and belts—perfect for long runs, trail hikes, or race day. Whether you're conquering ultra-marathons or weekend treks, this running water bottle keeps your hydration on track.
🔹 2. Leakproof, Freezable & BPA-Free Hydration Bottles: Engineered for durability and convenience, these freezable soft flasks are made with BPA-free TPU plastic that stays strong in all conditions. Each flask features a leakproof bite valve and slim-neck design, preventing spills while ensuring a smooth flow. Perfect for athletes seeking a squeeze water bottle that won't break, leak, or freeze up on long-distance runs.
🔹 3. Wide-Mouth Opening for Fast Refills & Easy Cleaning: Speed matters. The 1.57-inch wide opening allows quick refills, race-fuel top-ups, and hassle-free cleaning—saving you time on the trail. Whether you're adding electrolytes, gels, or just cold water, the wide-mouth soft flask supports your pace. It's also foldable and compact, making storage and post-run cleanup a breeze.
🔹 4. Fits All Running Vests & Hydration Packs Seamlessly: Built to universally fit any running vest, hydration pack, or belt compatible with 500ml bottles. These collapsible hydration bottles adapt to your gear setup, staying flat when empty and full when you need it most. Ideal for men and women who want a portable water bottle that disappears when not in use.
🔹5. Trusted by Runners – Ergotrail Outdoor Gear You Can Rely On: Join the community of outdoor athletes who trust Ergotrail—a brand known for reliable, high-performance hydration gear. Designed by runners for runners, our soft hydration flasks blend innovation, comfort, and endurance. Every product is tested on trails and built to support your toughest adventures.