Hydrapak Ultraflask+ Filter 500ml liners Wide waistband with external drawstring

Wide waistband with external drawstring

and a Spark Pocket Tool

MINIMUM WEIGHT

the Sky Evo completes every high-altitude outfit

Hydrapak Ultraflask+ Filter 500ml liners Wide waistband with external drawstringVest compatible filtration. Lighten your load and drink right from the source. Hydrapak took their go to flask and added filtration to create a system that delivers hydration without contamination. The filter light and compact screws on top so you can drink right from the flask. Or if youre carrying more water use the system to fill a bottle or reservoir. Effectively removes common waterborne bacteria, such as E. coli (99. 999%) and parasitic cysts