Locking Cap Flask 650ml Off Road Magnesium plays a key role

Magnesium plays a key role in processes affecting muscle function

or anyone prioritising lightweight comfort with functional pockets

relaxation is the name of the game

No record is too far when you have the right gear

Locking Cap Flask 650ml Off Road Magnesium plays a key roleBuilt to hit the volume sweet spot for many runs at 650mL in volume. The bottle features a locking cap so the nozzle does not leak due to pressure from the belt. Made by Hydrapak. New Hydrapak low profile locking cap is much easier to use than the previous version and makes the nozzle leakproof with the pressure across it that oftens happens in a belt. 650ml volume hits the sweet spot for many runs. Compatible with Katadyn BeFree and Hydrapak filter