On Amazon.com you can now get these 安德玛家的运动双肩背包
Under Armour Hustle 5.0 Backpacks, 降价后 for just $22 (regularly $55) – lowest price!

They are highly water-resistant and include thick, HeatGear shoulder straps, a breathable air-mesh padded back panel, and a laptop sleeve. There’s even a designated laundry/shoe area at the bottom of the bag – perfect for athletes!