Here's what we've heard: It's the perfect size and carries enough water for a full day of adventure. TETON has taken their original (and extremely popular) hydration pack and made it even better. With two sizes, you can find the perfect choice to meet the demands of your next adventure, whether it's a day hike, festival or really long walk.

• 18-liter backpack with 2-liter bladder
• Adjustable in shoulder, chest and waist
• Shaped and padded shoulder straps
• Robust ripstop with high denier
• Bungee shockcord storage for your helmet or jacket
• Anti-shock chest belt with whistle
• Reflective details
• Softened bite valve prevents leakage by slightly pulling it up, push to close
• Micromesh pockets
• Rain cover
• Lifetime warranty