These rechargeable heated socks are designed to keep feet warm in cold conditions with four adjustable heat settings and app plus button control. Heating wires wrap the toes, soles, and tops of the feet for more even warmth. Dual lithium batteries provide extended runtime for hiking, camping, hunting, commuting, and other outdoor use. The socks are made with modal core yarn and faux mink fleece for soft comfort and heat retention. They are washable and include a laundry bag for easier care.