Backpack showdown – Peak Design vs. Think Tank Final verdict–which one to buy? Check out this story on USATODAY.com: http://usat.ly/2jqvrEC Peak Design’s Everyday Backpack and ThinkTank’s ShapeShifter v2.0 get put to the test by USA TODAY’s Jefferson Graham. LOS ANGELES – I’ve been talking a lot about backpacks lately here–today, I offer a verdict on which one makes the nearly $300 cut for me.