My Cozy Puffer Jacket Is a Designer Look-Alike That Fools My Friends (and It's on Sale Today!)

I am all in on the puffer-jacket trend - I love the idea of wearing something that feels like I'm snuggled up in a sleeping bag but actually appears to be stylish. I was shocked to open Old Navy 's site only to find a bunch of cute options that look just like several designer releases I've been coveting for months. Oh, and they're all on sale, too, so the price slashing just goes on and on. Of all the puffers I've tried, this Old Navy Water-Resistant Double-Breasted Puffer Jacket ($52, originall...