Backpack chairs are essential for sports fans, tailgaters, backyard fanatics, and campers. Amazon is having a sale on several light and comfortable lounge chairs. Here is a list of the best chairs: Welcom WearEver Deluxe Aluminum Chair for $37.99 (reg. $49.99), WearEver LR-4 Deluxe Backpack Lounger for $44.99 (reg. $79.99), ALPS Mountaineering Camp Chair for $44.47 (reg. $54.99), and WearEver LR-4 Mesh Backpack Lounger for $46.99 (reg. $89.99).