Winter Running Ear Warmer Headband/Muffs for Men/Women WHY SHOULD I CHOOSE THIS WINTER HEADBAND AND WILL IT FIT COMFORTABLY OVER MY EARBUDS OR GLASSES? Our winter moisture wicking headband is warm, soft, lightweight, stretchy, and holds up great over time compared to other ear warmers. It is designed to fit comfortably over both earbuds and glasses. Additionally, these knitted ear bands are thin enough to fit under a helmet. Whether you are a man, woman, or pre-teen, this cold weather band is the perfect lightweight, moisture wicking ear warmer. HOW BIG IS THIS FLEECE WINTER HEADBAND AND HOW DO I KNOW IT WILL FIT MY HEAD? This cold winter ear band measures 9.5 wide, 3 high (front), and 4.25 high (back). To be 100% sure it will fit, take a fabric measuring tape and find the circumference of your head. If your head measures between 19  24, our fleece headband with 4% spandex will fit you comfortably! Weve tested this winter headband on many size heads  from large to small  and the response is the same. Its super comfortable! WILL THIS EAR MUFF / HEADBAND FIT MY CHILD? If your childs head circumference measures 19 or more, yes it will fit! Use a fabric measuring tape (see size chart for measurement location illustration) to check your childs head size. If you dont have a measuring tape, we suggest buying this head warmer for kids ages 10+. Head sizes vary greatly by age, so this is just an estimate. Measuring the circumference of your childs head is the recommended method of determining fit. WHAT WEATHER CAN THIS WINTER HEADWRAP BE WORN IN? This fleece, moisture wicking ear headband is designed for cool to cold weather conditions. Your activity level plays a big factor in the temperature rating. If you are running, cycling, skiing  any high energy activity -- this ear warmer will keep you warm down to 20 degrees Fahrenheit. If you are engaged in lower energy activities  walking in / out of work, school, or store  this headband will keep you warm down to 32 degrees Fahrenheit. IS THIS WINTER HEADBAND MACHINE WASHABLE? Yes, you can wash this winter ear band on cold water and either dry on delicate or hang dry. Its made of stretchy, 96% polyester and 4% spandex, and made in China. Lightweight, stretchy, and moisture wicking  this ear band is the perfect winter / cold weather accessory for active individuals or those in need of a comfortable ear warmer Stretches easily over glasses and earbuds (96% Polyester / 4% Spandex) Fits easily under most helmets -- bike, ski, or skate Fits any head size between 19&#034; - 24&#034; diameter Machine washable