Series 1 Medium Expandable Backpack - Blue

Discover the versatile Series 1 Medium Expandable Backpack in a sleek blue design. Perfect for daily commutes or travel, this bag combines style and functionality. Bought for work and my new work laptop doesn’t fit. Great bag with tons of pockets. Excellent condition, almost new. Key Everyday Features Easy-access, padded side-zip computer pocket for 15.6" laptops Spacious main compartment with organization pockets, fleece-lined tablet pocket and removable key leash Removable, adjustable sternum strap Hidden, zip-away side water bottle pocket Key Travel Features Separate, patent-pending, expandable packing compartment holds 2 to 3 changes of clothes with easy-access suitcase lid Meets most popular carry-on requirements as well as fits under most seats Hidden trolley sleeve slips over wheeled luggage handles Key Technical Features Custom-developed, durable, water-resistant body fabric Molded, comfort-cool foam back panel YKK™ water-resistant zipper with custom-designed pullers Pack Dimensions (LxWxD): Unexpanded: 19" x 12" x 4.5" Expanded: 19" x 12" x 9.5" Laptop Pocket Dimensions (LxWxD): Pocket Opening: 15" Dimensions: 15.5" x 11" x 2" (fits 15.6” laptop) VOLUME Unexpanded: 27 Liters Expanded: 39 Liters