New price low. Dicks Sporting Goods has the 21L Carhartt Classic Water-Resistant Laptop Backpack with 15" Laptop Sleeve (Atomic Blue) for $13.57 with free in-store pickup (where available) or free shipping on $49+ orders with a Score Card membership. 

• Made of 600-denier polyester with integrated rain defender, adjustable shoulder straps, and organizational compartments.