The button-front style makes it easy to layer over tanks, long-sleeve thermal shirts and any type of sleep bottoms for coziness no matter the temperature, and a chest pocket adds a touch of functionality, giving you a spot to keep your lip balm or a hair tie at hand.
at ModCloth
at Katie Kime
at Katie Kime
at Garmentory
at Tuckernuck
at Soft Surroundings