The Hybrid Soft Sided Cooler is the first of its kind! At AO Coolers we are leading the industry and changing the way of soft sided coolers. This rigid Soft Sided Cooler is a hybrid of sewn and welded construction, with a molded EVA tub bottom. The same durable and eco-friendly TPU liner, same YKK zipper as our other coolers. The exterior is a new design that is tough, and very durable like a hard sided cooler with the weight of a soft sided cooler. Making it the most Rigid Soft Sided cooler on the market. Available in two sizes!