Pelican is also a nice alternative to YETI with the bonus being that Pelican coolers are made in the USA. They also will be donating money to the NRA for every cooler sold in April.
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It looks like YETI could have consciously or unconsciously decided they no longer want to support the NRA. It is hard to tell since the companies' statements are so diametrically opposed to each other. It may have been intentional or it may have been very bad timing on their part to do away with their discounting program which included the NRA.