The North Face Radix:
The single shoulder strap style of the Radix is super comfortable and functional. A cell pocket in the strap lets you easily get to your phone, and you can listen to your mp3 player safely stored in the pack using the audio port for your headphones.

• Audio port in main compartment
• Comfortable stitched foam backpanel
• Detachable waist belt
• Front mesh stash pocket
• Main compartment with internal organizer
• Reflective hits
• Single shoulder strap with zip pocket