Grayl Geopress Replacement Filter Men's Rainwear cooling and absorbent which provides

cooling and absorbent which provides instant and complete pain relief for blisters and burns

but it also offers twice the functionality

WARM Recycled PET insulation rated to -25°F/-32°C

all you have to do is flip it open

There is a side zip stash pocket perfect for holding a key or card

Grayl Geopress Replacement Filter Men's Rainwear cooling and absorbent which providesReplacement purifier cartridges for the GEOPRESS are designed to last 350 cycles (65 gal. 250L). Lifespan will decline when purifying water with high levels of silt, sediment or tannins. Cartridge press time increases towards the end of the cartridge lifespan; when press time reaches 25 30 seconds, the cartridge should be replaced. Cartridge continues to protect, even as press time increases.