Mountain Vest 5.0 is a multifunctional hydration running pack from Ultimate Direction that is perfect for trail running. Made in a stretchy material that molds to your body and offers freedom of movement. Comes with two 500ml bottles. \n\nUpgraded lightweight hook and loop sternum adjustabilityTwo rear zippered stash pockets for optimal safety and organizationSmall weather resistant pocket on Shoulder strap for chapstick, tablets, and small essentialsComfort Cinch™ 2.0 - more minimal, lightweight, and adjustableShoulder strap shaping to promote weight distribution and comfortable fitLightweight 4-way stretch with rip stop pattern for added durabilityFront stretch mesh pockets are phone compatibleCorded elastic for external gear stash and overall compression Ultimate Direction Ultra Vest 5.0 Signature Blue | Buy Ultimate Direction Ultra Vest 5.0 Signature Blue here | Outnorth