The Yeti Hopper Flip 12 is the better cooler, with excellent ice retention and a extremely durable construction. However, it comes at a significant price premium. The RTIC Softpak 20 is a more affordable option that still offers good performance and durability, making it a great choice for outdoor enthusiasts on a budget. According to Outdoor Gear Lab, the Yeti Hopper Flip 12 retained ice for 4...