This functional black aztec (does have a hint of purple) high capacity "Ox" backpack by Hooey is everything you could want in a backpack, including these organizational and novel features:

• High capacity (40 L)
• Hooey Hat Strap
• 2 Main compartments
• Detachable Rain Cover
• Water Resistant Base
• Fleece Lined Sunglass Pocket
• Suspension Strap
• Reinforced Top Handle
• Padded Shoulder Straps
• Breathable Back Panel
• Padded Laptop Sleeve
• Internal Organization Pockets
• Reflective Daisy Chain Loops
• Side Hydro Pockets
• 21" x 13.5" x 8.5"