Take your hydration on the go with this lightweight and highly durable 500ml flexible water bottle. Crafted by our partners Hydrapak®, the Ultraflask is made of welded .4mm TPU for long lifespan with a high-flow bite valve and removable lid for filling. The back of the bottle features an oversized Minimoll™ attachment that serves as a handle or can be attached to a MOLLE-compatible platform. An excellent companion to our Skyweight™ packs or CloudStryke ultralight packs.