Specialty Backpacks from Backpacks Advice http://www.BackpacksAdvice.com/BackpacksInfo/SpecialtyBackpacks/index.php http://www.BackpacksAdvice.com/rss/SpecialtyBackpacksTips.xml Specialty Backpacks from Backpacks Advice How do hydration packs work? Hydration packs has a drinking tube bladder around where in the actual backpack has been created. Some of hydration packs are designed with a bladder only having straps located on the shoulders while others have side pockets and casing making them look like real backpacks. Backpacks having la Wed, 30 Apr 2008 12:20:05 -0600 http://www.BackpacksAdvice.com/BackpacksTips/16.php http://www.BackpacksAdvice.com/BackpacksTips/16.php Everything here is © Backpacks Advice, Copyright 2006, All Rights Reserved Worldwide.