Hydrapak Plug-N-Play Cap Climbing External capacity gauge allows you

External capacity gauge allows you to track your hydration intake or measure out the contents

Embedded orange rubber nose pads

Polarized blue moonshine mirrored lenses

and stability

All other flavors do not contain caffeine

Hydrapak Plug-N-Play Cap Climbing External capacity gauge allows youQuickly connect a drink tube to your HydraPak Seeker or HydraPak water bottle for versatile backcountry use with the Plug N Play cap. Use inside your pack like a hydration reservoir, strap outside like a bottle, or quickly setup a gravity feed at camp. Features: Twist release technology quickly connects disconnects HydraPak drink tube (not included) Automatic shut off for leak proof tube removal 42mm screw cap fits Stash 750ml and Seekers Includes a