- Warm fleece ear muffs with a soft Polar fleece lining for added warmth and comfort, effectively shielding your ears from icy winds and low temperatures. An automatic shut-off function (>55C) provides safety and conserves power, preventing overheating and extending battery life. - One size fits most: good stretch and a circumference suitable for different head sizes. Embedded with elastic memory wire for a stable, secure fit that stays on. - Widely used and unisex: suitable for both men and women. Ideal for outdoor activities such as hiking, skiing, running, or everyday winter wear. A thoughtful gift for family, elders, colleagues and classmates during Christmas, Halloween, Thanksgiving, Easter, birthdays, parties and anniversaries. - Rear wear and foldable design: designed to be worn behind the head for a comfortable fit without interfering with hairstyles, hats, or helmets. Foldable for easy storage and portability.