Peak Design Everyday Messenger (Black, 13L) BEDM-13-BK-3

Key Features
Capacity Expands from 13 to 16L
Adjustable Height: 11.7 to 14.2"
Front Flap with Magnetic Latch System
Foldable Multi-Configuration Dividers
Organizer Pockets
Top Carry Handle, Shoulder Strap
External Carry / Stability Straps
Anchor Link Key Tether
Trolley Sleeve
Weather-Resistant Exterior