Knack Series 1 Medium Expandable Backpack, Stealth Black Size:OSFA With its sweat-wicking

With its sweat-wicking

Perfect for everyday wear our soft shell jacket has an understated texture that makes it a bit more sophisticated than other soft shells

pill-resistant finish Dyed-to-match YKK zipper Tear-away label

Zipper Front with Storm Flap and Removable Hood

There's a reason we patented it

Knack Series 1 Medium Expandable Backpack, Stealth Black Size:OSFA With its sweat-wickingEasy access, padded side zip computer pocket for 15" laptops. Spacious main compartment with organization pockets, fleece lined tablet pocket and removable key leash. Hidden, zip away side water bottle pocket. Separate, patent pending, expandable packing compartment holds 2 to 3 changes of clothes. Meets most popular carry on requirements as well as fits under most seats. Packing compartment with easy access suitcase lid. Hidden trolley sleeve slips