If you're counting every pound in your pack, you'll appreciate The North Face Angstrom 30 Backpack. This one is ultra light weighing in at only 1lb 14oz. It's stil really durable thanks to nylon ripstop fabric, and it includes a zippered rain cover to protect it in wet weather. To help you stay even more streamlined, The North Face made the Angstrom pack hydration compatible and gave it a bunch of different pockets to keep you organized.

Specs:

• Volume: 2014 cubic inches (33 liters)
• Material: Ripstop cordura nylon/ 70D ultralight nylon fabrics
• Average empty weight: 1 lb 14 oz
  
• Ultra-light for easy carrying
• Airmesh shoulder harness for comfortable carry
• Universal hydration system sleeve
• Zippered rain cover to keep contents dry
• Stretch water bottle pockets on side for easy access
• Whistle on the sternum strap for safety
• Waist belt to help stabilize the load