Hydration Flask

Hydration Flask 500 mL Performance Hydration. Simplified. Built for movement, the ProteinCo Hydration Flask is designed to keep you fueled without slowing you down. Lightweight, flexible, and streamlined, it adapts to your pace: whether you're running, cycling, or pushing through endurance sessions. Its compressible TPU body reduces sloshing as you drink, while the high-flow valve ensures effortless hydration with every squeeze. Key Features 500 mL / 17 fl oz capacity Optimal volume for training, racing, or on-the-go hydration. Flexible TPU construction Ultra-light, compressible body that shrinks as you drink. High-flow valve Fast, efficient water delivery, no interruption to performance. Wide opening Easy to fill, clean, and add electrolytes or powders. Clear minimalist design Sleek, modern aesthetic Made with recyclable materials Designed with sustainability in mind.