USWE Outlander 2L Hydration Pack - 2L Pack - 1.5L Bladder - Factory Orange YGroup_7033434144813 while the X-Static® head liner

while the X-Static® head liner and cheek pads ward off bacterial growth (meaning less of your stink gets into it)

The best part of this product is the submergible pouch

It even has a rivet anvil for Campagnolo hollow pin chains

Main material: Al Alloy 7075 T6

In addition to the central hole

USWE Outlander 2L Hydration Pack - 2L Pack - 1.5L Bladder - Factory Orange YGroup_7033434144813 while the X-Static® head linerUltralight Hydration Pack For Mountain Biking This is a race hydration backpack streamlined to go super light and almost invisible on your back. The OUTLANDER 2 is geared up with the award winning No Dancing Monkey 4 point harness that makes the pack 100% bounce free in action. The stretch support of the harness allows you the freedom to move in full speed and in any gnarly condition. Zero bounce with NDM 1. 0 harness USWE's patented harness system