I got new exercise leggings that are boot cut, which Tim immediately critiqued ("Leggings are tapered to the ankle -- those are just yoga pants that fit snug around your thighs!"), and it made me realize I'm unclear on the taxonomy of sweatpants/joggers/yoga pants/lounge pants/leggings.
I feel like sweatpants and joggers are basically the same thing, although in my mind, sweatpants are a thicker fabric and have elastic at the ankle, while joggers don't have elastic at the ankle and may or may not be a somewhat lighter-weight fabric. Honestly, my concept of yoga pants is basically the same as joggers (soft fabric, no elastic at the ankle). But then lounge pants are also soft fabric, no elastic at the ankle, so there's a whole lot of overlap going on here. Leggings implies a snug fit (except, I guess, for boot cut leggings, which are indeed snugly fit from the waist to the knee, where they start to flare out into the boot cut).
Anyway, these boot cut leggings are super soft and I might have to live in them forever (the deep sea color is on sale, so I had no choice but to get them: [link] ).