Valco Footmuff - Scarlett Keeping babies at an appropriate temperature not only keeps them comfortable, but it also helps maintain their circulation. The Valco Footmuff is definitely worth it if you live in a winter haven. Even if you don't, it will still come in handy for those chilly nights in fall and winter. Valco's footmuff comes in a variety of colors to keep your baby looking cool while feeling toasty warm.