UltraPress® Replacement Purifier Cartridge Colours:BLACK Available in widths of: 50mm

Available in widths of: 50mm

These mid-calf length socks feature a merino wool terry loop liner covering the full inside of the sock offering exceptional thermal protection and a comfortable fit

while remaining breathable to assist your body in regulation of body temperature

Reinforced corners ensure durability and strength and double stitched webbed loops across the ridge line and at the tie-down points allow for taut pitching in any weather

UltraPress® Replacement Purifier Cartridge Colours:BLACK Available in widths of: 50mmReplacement 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. Features Removes waterborne pathogens (viruses,