#NEW #NWT * 1 pair heated socks equipped with 2 battery boxes, each battery box powered by 3*AA batteries (not included) and is easily removable, so you don't have to deal with extra weight * Heating elements of the battery heated socks made of insulated material; Heated socks made of polyester blends materials, heated socks are sturdy, comfy and reliable and soft, lightweight and heavy duty, strong enough against breakage, wear, pilling and fading, serving you for long. * Battery powered socks are built with electric heating components, and when heated, they will heat up quickly in the area of your toe and keep your entire foot warm through thermal cycling. * Ideal for many sorts of outdoor sports or activities, such as running, traveling, walking, hiking, camping, hunting, riding, cycling, climbing, fishing, skiing and more. * Measuring about 24-37 cm/ 9.45-14.57", long enough to warm your calf, one size fits all.