Ultraflask+ Filter Cap Nutrition the Mesa Trail II is

the Mesa Trail II is even lighter than the original

these boots are fully waterproof and will keep those feet dry despite what Mother Nature throws your way

we added mesh paneling for breathability and ventilation

Perfect for warmer days or high aerobic activities

A low 4mm drop and rocker shape geometry encourage an efficient toe-off and a smooth

Ultraflask+ Filter Cap Nutrition the Mesa Trail II isRun 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.