Backpacking packs shouldn't weigh more than 20% of your body weight , and the larger the pack, the easier it is to accidentally over-fill
The below picks for the best backpack coolers are all great choices for your next trip outdoors
The fan-favorite bag is constantly going out of stock both in stores and online, but right now is your chance to get your hands on one, as lululemon just released new, summery colorsplus a stadium-ready, clear version that you'll want to snag before it sells out

articulated shoulder straps, rounded back panel, comfortable stitch lines and soft-touch chemise fabric Stand-up design for easier packing and unpacking Protective, dedicated 16" laptop compartment Large main compartment for books and binders Internal organization with secure-zip pockets and padded tablet sleeve in front compartment External, fleece-lined pocket for sunglasses, phone or keys Two durable water bottle pockets can easily double as multi-use pockets with quick-draw smartphone access on one side Two external J-zip pockets, one lined with fleece Bottom compression Daisy-chain webbing offers lash points Easy-to-use YKK zippers Comfortable, padded top grab handle Sternum strap with a whistle buckle Removable waist belt Reflective details Material: 210D recycled nylon ripstop with non-PFC DWR finish Volume: 31 liters Dimensions: 19.5"H x 12"W x 6.5"D Weight: 2 lbs
(out of stock please call the shop for inquiries about return date)