Hydrapak Ultraflask+ Filter Cap Size_T1 Alkaline pH: Helps neutralize stomach

Alkaline pH: Helps neutralize stomach acidity and improves digestive comfort during exercise

or just stepping out in style

you'll have access to a special webpage containing GPX tracks and additional information to complete each run

aftertaste or science experiments

long-distance shoe for confidence on training and adventure runs

Hydrapak Ultraflask+ Filter Cap Size_T1 Alkaline pH: Helps neutralize stomachRun fast, filter faster. The UltraFlask+ Filter Cap threads seamless onto all of HydraPaks 42mm running flasks and handhelds for a lightweight, straightforward filtration solution. Featuring a traditional bite valve and cap design, runners can drink freshly filtered water directly through the high flow Blaster valve. Specifications FAST & SAFE FILTRATION The integrated filter removes Escherichia coli bacteria, Cryptosporidium parvum cysts, and Giardia