The technical, done-in-a-day CamelBak Alpine Explorer hydration pack provides easy back panel access to the reservoir inside, and has plenty of volume for carrying essentials.

• OMEGA™ HydroTanium™ reservoir is made from an improved polyurethane film for enhanced tensile strength and burst resistance
• HydroGuard™ technology inhibits bacteria growth on reservoir and tube surfaces (does not protect user from disease organisms—please wash reservoir after each use)
• Big Bite™ valve is ergonomically positioned for easy drinking
• Reservoir is taste free, easy to clean and easy to fill via a 3.5 in. wide opening
• PureFlow™ delivery tube keeps water as fresh as store-bought bottled water; no plastic taste
• With its separate, large zippered opening at back panel, the reservoir can be easily refilled or replaced from outside
• Main compartment holds lunch, gear and your 10 essentials for a 1-day peak ascent
• Large front weather-resistant zippered pocket keeps electronics, cell phone and other valuables close at hand
• Stash pocket behind front pocket keeps hat and jacket handy; dual side compression straps help secure contents and cinch entire pack down tight
• Small zippered top pocket with soft lining stores sunglasses or media player; exit port accommodates headphones cord
• Ergonomically designed Dynamic Suspension™ harness spreads the weight across your back to maximize load stability and hiking comfort
• Air Director™ back panel with 3-dimensional air-mesh harness keeps cool air flowing across the back
• Features padded shoulder straps with sternum strap and a cutaway hipbelt, providing maximum ventilation and even load distribution
• Side zip pocket and side mesh pocket let you keep small, often-used gear and snacks close at hand
• Lash point lets you attach an ice axe or trekking poles to the exterior of the pack

Camelbak antimicrobial technology embeds an FDA-approved silver ion compound into reservoir film and drink tube, a safe and effective way of eliminating up to 99.99% of common bacteria and fungus