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€
Barbour Essential Wax Messenger Bag - Accessories
Barbour Wax Leather Tarras Navy
Shop Barbour Essential Wax Messenger Bag | Saks Fifth Avenue
Barbour | Bags | Barbour Icons Waxed Cotton Terras Messenger Bag | Poshmark
Barbour | Bags | Barbour Waxed Messenger Bag | Poshmark
Shop Barbour satchel shoulder bag with Express Delivery - FARFETCH