Ultrapress Purifier Cartridge Matte Tortoise | Polar Green Mirror made by employees who have

made by employees who have creative control over each pack's final look

This classic Merino Wool style features our silky Twisted Yarn and has been upgraded for better durability and softer wearability

and youth-specific shoulder harness and waistbelt make it easy to find the proper fit

cotton rich twill and equipped with deep drill cloth pockets and industrial grade brass zipper

Ultra-Vis 15D mesh is exceptionally light and offers great visibility and air flow

Ultrapress Purifier Cartridge Matte Tortoise | Polar Green Mirror made by employees who haveReplacement purifier cartridges for the UltraPress are designed to last 300 cycles (40 gal. 150L). 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.