Amazon offers Prime members the Burton Kettle Backpack in Desert Sunset Crinkle for $16.99 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping adds $5.58.) That's $8 under our November mention of a different color and the lowest price we've seen. (It's a current low for any color by $8.) It features ergonomic shoulder straps, an adjustable sternum strap, padded laptop pocket, and external zippered pocket.