HyperFlow Microfilter Women/Tops/Thermal Shirts Hydro-Shield® construction helps keep feet

Hydro-Shield® construction helps keep feet dry in wet weather

wearing socks that you wear with your boots

Left chest inside pocket with zip

Mitten pockets can be folded back over the tops of the hands and buttoned securely

HyperFlow Microfilter Women/Tops/Thermal Shirts Hydro-Shield® construction helps keep feetThe HyperFlow microfilter utilizes the latest Hollow Fiber Technology and our most advanced engineering to make water treatment so small and so easy to use, it will change the way you travel in the backcountry. Its ergonomic design, diminutive size and tool free maintainability make it just as appropriate on day trips as it is on multi day excursions. Add a filtration rate of 3 liters per minute and youve got the most efficient microfilter ever