Peak Series Gravity Filter System – 3L Keen B-Tek™ Lite proprietary aero-insulation blend

B-Tek™ Lite proprietary aero-insulation blend that allows the inner boot to achieve greater thermal regulation while using less material

enables the waterproof Handlebar-Pack QR (Quick Release) to be attached and removed in no time at all

Optimized flex and strength

Breathable mesh fabric supplies airflow to keep you cool

this sock helps provide minimum pressure

Peak Series Gravity Filter System – 3L Keen B-Tek™ Lite proprietary aero-insulation blendIts the simple, lightweight and compact option for back country camping and backpacking. The optimized filtration cartridge boasts a high flow rate and ability to remove sand and silt without clogging. The water storage bag is made from premium materials for extra durability so it can stand up to the same toughness and usage you put your other gear through. You'll never have to buy another. Designed to be ultra versatile and fully leak proof, use as a