Pack Strap Pocket

       Want to add an extra Bottle or Flask to your Backpack?  We gotcha covered!     We were jealous seeing all the running vests sporting flask holders out front, so we created a perfect pouch that would fit on almost any backpack and mimic that awesome hydration feature.  This is no floppy clip-on accessory pocket, it actually integrates into your left/right shoulder strap, so your bottle/flask won't budge even when you're really bouncing.         Our Pack Pocket doesn't jangle like other add-on bottle/flask holders. The secret an internal Velcro piece that wraps tight around the shoulder strap and a slot cutout that anchors the Pocket solidly to the sternum strap.   Designed specifically to hold 500ml, but with its 4-way stretch fabrics, it can also fit smaller and larger flasks/bottles (even standard cycling bottles up to 22oz) Note: Pocket works best with flasks under 8.5" long (measure from under the lid to bottom of the flask), so some tall and skinny flasks like Salomons m