Hydration System Replacement Helix Valve Everyday Carry then transition to a lighter

then transition to a lighter configuration for objective work without changing systems

and offers maximum reliability and durability

keeping you dryer and cooler during extended movements

The Modframe™ is engineered for years of hard use in alpine environments

or other gear in the pack's main compartment

Hydration System Replacement Helix Valve Everyday Carry then transition to a lighterThe high flow Helix Valve delivers full flow with minimal bite force. Its 360 degree cylindrical shape eliminates the need for a specific mouth orientation and the retreat spring sealing mechanism is leak proof even under pressure.