AER Day Sling 4 Max Style:Day Sling 4 Max Double walled stainless steel tumbler

Double walled stainless steel tumbler prevents heat transfer with a vacuum between its inner and outer walls

ergonomic backpack straps and removable shoulder strap

ABS plastic wheels

Each Pen Pouch is handmade in the UK using only the finest full grain vegetable tanned leather from Tuscany

Ultralight and perfectly balanced

AER Day Sling 4 Max Style:Day Sling 4 Max Double walled stainless steel tumblerThe everyday sling made for travel The Day Sling 4 Max is your go to for travel and daily carry. Its main compartment opens wide for effortless organisation, the front pocket offers quick access to what you need most, and a hidden back pocket keeps your passport and cards secure. Features: 1680D CORDURA ballistic nylon exterior (bluesign approved) Lightweight ripstop nylon interior (bluesign approved) YKK zippers Duraflex hardware Smart organisation