UGG makes some of our favorite slippers ever, but the sizing can be wonky — here's what to consider before buying or returning

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Whenever I see a pair of sheepskin slippers or boots, I just assume they're UGGs. The ubiquitous brand is known and loved for its plush shoes that make your feet feel like they're being wrapped in a warm hug. 

I grew up seeing people trot around in UGGs during the cold winter months in New England, but the brand actually got its start in a beachy climate.