Hydrapak UltraFlask™+ 500ml with Filter Cap tights For hardpack and icy conditions

For hardpack and icy conditions

We use 800+ fill power down because it offers great- packability and -insulation-to-weight values

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Large hood with built-in elastic and single-point adjustment

Hydrapak UltraFlask™+ 500ml with Filter Cap tights For hardpack and icy conditions### Hydrapak Says ### Lighten your load and drink right from the source. We took our 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. FILTER FACT SHEET FILTER USER MANUAL *Effectively removes common waterborne bacteria, such as E. coli (99.