The Fatsak is the most adjustable shoulder bag on the market. Other bag makers' bags are fixed to one size -- ours are adjustable. The Fatsak adjusts from Medium to XLarge .

• Adjustable Width from 17.5" to 25.5"
• Capacity from Smallest 900 cu.in. - Largest 2600+ cu.in.
• Left or Right Shoulder Strap - 14" of Padding w/ 3rd Point Stabilization, Extremely Adjustable.
• Laptop Pocket w/ Water-Resistant Zipper Access (fitting 17" and some 20" computers).
• Thick Padded Panels and Laptop Pocket to safely transport your valuable items.
• Large Compression and Expandable Pockets for oversized items, laptop gear, H2O Bottles, etc.
• Exterior Handle and Reflective Light Loop.
• Only the Highest Quality Buckles and Materials.
• Urethane Coated Nylon, 1000d Heavy Duty Nylon / 500d Interior Pockets.
• Available in Black, Brown, Green, Navy and Red.