Bolsnik Expandable Backpack is the only expandable backpack from 26L to 40L that combines urban design, rain protection, true ergonomics, and smart compartments — created for those who need mobility with freedom, style, and security, whether for everyday use or world travel.
Premium waterproof material. Laptop compartment for devices up to 17.3". Plus: external USB port, anti-theft design, and ergonomic comfort.
“I love how this backpack expands! Perfect for workdays and weekend trips. The waterproof material really protects my laptop and gadgets.
Very comfortable to wear, even when fully packed. The anti-theft features give me peace of mind in crowded places.
This backpack fits everything I need and more. Expanding from 26L to 40L is a game changer for travel.
$132.00