WaterWorks® T-Shirt

The filter that set new standards in backcountry water treatment.

MSR® WaterWorks® microfilter, launched in 1991, was the first of its kind to combine both carbon and ceramic technologies into a single element, setting a new standard in reliable backcountry water treatment. Depicted as an engineering drawing on the WaterWorks T, it reminds us how crucial this elemental resource is to adventures pursued anywhere on earth.

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Available for U.S. addresses only.

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  • Inside yoke of T-shirt explains WaterWorks filter’s significance in outdoor innovation.
  • 100% responsibly grown organic cotton
  • Regular Fit
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