Columbia Northern Trek Thermal Pack Collapsible Cooler (Black, Large)
The Northern Trek Thermal Pack has a Therma-Flect radiant barrier lid that  actually deflects heat from the sun. The high density thermal insulation keeps  contents cold for hours. There’s an insulated front compartment for extra  storage. And transporting this cooler is easy – just throw the adjustable strap  over your shoulder or grab it by the handles and go. Get trekking!