The amazon one has more stretch and is slightly softer. For reference: I got a 14 in the lululemon Taupetastic and a 16 in the lululemon White Opal and XL in the Amazon versions. (I’m 5’5” tall and a size 14). lookforless savevssplurge casualoutfit winterfashion LTKStyleTip LTKFindsUnder100 LTKSeasonal