Backpack
by Dave Medlock
1. Physical
1.1. Comfort
1.1.1. Straps
1.1.2. Back
1.2. Style
1.2.1. Color
1.2.2. Trendy
1.2.2.1. Sleek
1.2.2.2. Compact
1.3. Functional
1.3.1. Lightweight
1.3.2. Durability
1.3.3. Material
1.4. Waterproof
2. Cost
2.1. Initial
2.2. Warranty
3. Multi-Use
3.1. School
3.2. Hiking
3.3. Travel
4. Features
4.1. Charging
4.2. GPS
4.3. Bulletproof
4.4. Camelpack
4.5. Floatation
5. Sales
5.1. Direct
5.1.1. Online
5.2. Distribution
5.2.1. Campus
5.2.2. Online
5.2.3. Retailers
5.2.3.1. College Towns
6. Contents
6.1. Electronics
6.1.1. Laptop
6.1.2. Tablet
6.1.3. Phone
6.1.4. Storage