Buy a Barbour waxed canvas messenger bag if you want a bag that is BIFL and will look timeless. You can also send it out for any repairs if necessary. Best 20€
Men's Barbour Bags & Backpacks | Nordstrom
Barbour Essential Wax Messenger Bag - Accessories
Barbour Wax Leather Tarras Olive | END. (US)
Bags and Luggage - Accessories - Mens | Barbour
Barbour | Bags | Barbour Tarras Quilted Messenger Bag Navy Blue Rich Brown Leather Straps Trim | Poshmark