Promising review: “I struggle to find running leggings long enough to not have a freezing band of skin at my ankle in the winter…until I found these! These go right to the bottom of my ankle and keep me warm in the 30s, once it drops into the 20s I need another layer on top (although full disclosure, I am a cold person so an ordinary red-blooded human might be fine). With that said I am still using these now in the 50s and 60s and don’t get too hot, so they’re pretty magical. Add in the stash pockets and you can’t go wrong for the price.” —Cat Wool
Get it from Dick’s Sporting Goods for $30 (originally $40, available in sizes XS-2XL and two colors).