The HydriamX is a soft, collapsible, reusable drinking flask made in extra durable, thicker TPU. Capable of holding hot liquids, making it the perfect vessel for your warm beverage of choice. Whether it holds your favorite Après-ski cocktail, gets tucked into your sleeping bag as a hot water bottle, or just gives you extra durability, the HydriamX is the extra tough, ultralight flask you’ve been looking for.