The Nalgene Flask is just what you need when you want to quench your thirst after that long hike. The flask is designed to be completely free from leaks so every drop poured in stays in untill you drink it. Thanks to its slender, non-bulky profile you can fit this flask into any bag or pack and take it with you no matter where you go. A durable insulation sleeve aids temperature regulation of your drink; so your coffee stays hot and juices remain cold irrespective of the temperature outside. Despite having a lightweight cap, it ensures that your drink remains sealed tightly inside the flask. None of your drinks have that awful plastic aftertaste, thanks to its quality make and finish. Now, you can enjoy refreshing beverages wherever you go with the super portable Nalgene Flask.