Hydrapak Ultraflask+ Filter 500ml rock protection Perfect for ultras

Perfect for ultras

designed for high-mileage durability

the Norvan weighs just around 170 grams (men's) yet packs serious three-layer Gore-Tex protection

which feels natural when skinning or booting

2019 Lever - Without Base (1x): Locking lever

Hydrapak Ultraflask+ Filter 500ml rock protection Perfect for ultrasVest 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