Buy OEM Audi Accessory # AUD5049. Aeronaut Backpack. Waterproof, Padded

The Aeronaut 25 Waterproof Backpack protects your laptop and other valuables by keeping the wet out with waterproof zipper closures and reinforced waterproof layer. With ergonomic, adjustable shoulder and sternum straps as well as a padded airflow back panel. This pack keeps you comfortably cool and organized. The Aeronaut Backpack25 also features an RFID blocking pocket and zippered expansion panel to increase capacity from 25L to 35L when you need. Co-Branded with Stormtech.
Details:

Waterproof Fabric, Polyester Taffeta Lining with Polygiene® Freshness Technology

Large Main Opening with 2-Way Waterproof Zipper

Large Accessories Pocket with Secure Zipper Closure

RFID Blocking Pocket

Padded Ergonomic and Stowable

Adjustable Shoulder Straps with Rolled Edge for Comfort

TSA Carry-On Size

Adjustable Sternum Strap

Easy-Access Laptop and Tablet Compartment

Ultra-Soft Padded Air Mesh Back Panel

Rolling Luggage Compatible

Reinforced Top and Side Carry Handles

Zippered Water Bottle Pocket

Internal Zippered Mesh PocketInternal Key Clip

Fits Up to 16 inch Laptop

Dimensions (inches) 19 H x 12 W x 6 D / 19 H x 12 W x 9 D (expanded)

Volume: 25 Liters (35 Liters)/1525 Cubic Inches (2136 Cubic Inches)