Features padded back with cool stream breathable mesh panels and adjustable, padded straps; multiple interior and exterior pockets Deep freeze high performance insulation- multi-layer System that protects ice from the most intense heat cold block base has 3 thick layers of Super Foam that is designed to keep the conductive heat from the hot ground at Bay Leak proof lining Rhino-tech stain and water resistant barrier is abrasion and puncture resistant and will not crack over time