If you're going to Iraq or Afghanistan (or any of their neighbours in the not too distant future!) you know you're definitely going to need one of these.

Its large filler cap makes it easier to clean and therefore more hygienic.

Features:

2 ltr wide mouth TPU water bladder
2 shoulder straps
Sternam strap
Multiple D-ring attachments
Made from 1000 denier IRR (Infra Red Reduction) Cordura