Nowadays, Kendall Jenner and the Hadid sisters are some of the most frequently-photographed working models in the business — so, naturally, their off-duty outfits are some of the most visible (and trend-setting). We can pretty much expect a particular #OOTD to start cropping everywhere as soon as it's spotted on one of them. Well, take note, fashion friends: This trio has landed on this winter's version of "model off-duty," and we're happy to report it's probably the cosiest version yet.