The North Face Lumbnical S

The Lumbnical-S lumbar waist bag is manufactured with durable, lightweight materials so you can immediately say “yes” to urban adventures.
Technical nylon face fabric with an embossed pattern
Perforated and ridged back-panel foam for optimal comfort and ventilation
External stretch-mesh stash pocket with a secure bungee loop is perfect for on-the-go water bottle storage
Internal, secure-zip pocket with key-clip webbing