Katadyn Pre-Filter for Steripen head protection Our thermal long underwear features

Our thermal long underwear features cuffs reinforced with spandex for comfort and shape retention

as it is to trekking and traveling

rubber outsole rated up to 572° F / 300° C

Key Features: Waterproof

20% Polyester - Insulation hood: 80% Recycled Polyester

Katadyn Pre-Filter for Steripen head protection Our thermal long underwear featuresWhen in use, pour water through the durable 40x40 micron screen filter cartridge to fill the bottle. Then you're ready to purify the water with a Steripen UV water purifier. Remove the filter cartridge from the Pre Filter, insert the filter into the center of the filter, flip the bottle, and agitate the water until the Steripen indicates the treatment is complete. Style: SP PF