• [DURABLE TPU MATERIAL]: ROCKBROS soft flask is made of 100% TPU, the body of our collapsible water bottles is tough and long-lasting, with excellent resistance to cracking and abrasion
• [500ML LARGE CAPACITY]: Our running water bottle is larger than average bottles on the market, providing ample hydration for your activities. At ROCKBROS, re-usability is deeply important to us, and our water bladder is no exception
• [LIGHTWEIGHT & FLEXIBLE]: Compact way to stay hydrated on the move! Our running vest is a perfect hydration tool for active individuals. Shrink as you drink, taking up minimal space and won’t slosh around, making it perfect for running, hiking, skiing or any rigorous activity
• [LEAK PROOF FILTER]: Our hydro flask features an intelligent bite valve and leak-resistant mouthpiece, ensuring easy hydration on the go without any spills or leaks. To hydrate, simply bite the mouthpiece and gently squeeze the flask to enjoy your drink. The more pressure you apply, the faster the liquid flows