Durable material: made of good quality fabric material,which has good durability,not easy to fade and durable enough for serving for a long time use,soft to touch and comfortable to wear Circle design: the ear muff is circle shape,not easy to slide off and can stay in place firmly,convenient to use and would not scratch or pull your hair Ponytail opening will hold your hair securely in place,keep the sweat from getting to your face,and also help keep the headband in place during your high-intensity workouts Full ear coverage to keep your ears warm,measures over your ears,Lightweight and decently thick,it would be OK for the spring,fall and into early winter,can be used as liner for coldest days Wide applications: keep you warm in cold weather,suitable for many occasions,such as climbing the snow mountain,doing yoga sports,jogging,running or take a walk in cold winter includes: come with 2 pieces of ear warmer headbands,enough quantity for your use and replacement.