The Nathan TrailMix 2.0 12L Hydration Pack is spacious, comfortable, and lightweight with a 1.5L bladder and plenty of pockets to keep on-the-go essentials organized while you explore the trail ahead. This pack is 15% lighter than the previous version and offers expandable storage options.

MAXIMUM STORAGE FOR ALL-DAY TREKKING: Designed to hold everything you need for trail running or hiking.

LIGHTWEIGHT & BREATHABLE: Durable stretch woven material combined with soft breathable spacer mesh on the shoulders and interior for maximum comfort, allows you to stay focused on your run or hike.

HANDS-FREE HYDRATION: 1.5L bladder and hose and multiple front pockets for additional storage, like soft flasks.

Features

• Four, front bottle pockets fit up to 20oz flasks each, that stretch when filled and compress easily when empty.
• Separate back interior zippered pocket for bladder with pass-through holes on either side for easy access to hose
• Main back pocket roll-top design with buckle closure to maximize storage
• Exterior back stretch mesh pocket perfect for wet swimsuit, jacket, hat, sunglasses, trekking poles, or extra snacks 
• Expandable bungee strap system on back to maximize storage for quick-access essentials, such as jacket, towel, or ground tarp
• Adjustable sternum and side straps to dial in secure fit
• Internal compression system tightens the load against your back for stability.
• Breathable mesh back and straps help you stay cool.
• Soft perimeter binding prevents chafing.
• Includes 1.5L Hydration Hydrapak Bladder 
• Bladder hose sternum attachment
• Reflective hits for 360-degree visibility
• Bungee trekking pole keepers on either side

Specs:

• Weight w/o bladder: 10.9oz / 308g
• Weight with bladder: 14oz / 397g
• Storage capacity: 732 cu in / 12L
• One size fits most