Size measurement‎:‎ Starting from underneath the chin‎,‎ go up the side of the head‎,‎ over one ear‎,‎ over the top of the head‎,‎ back down the other ear‎,‎ and back to under the chin to make a complete circle‎.‎ ‎(‎Essentially you‎'‎re measuring the circumference of the part of your face that the mask will be encircling‎.‎‎)‎ Use a soft ruler or yarn to measure‎,‎ and make sure to keep it snug or else you‎'‎ll wind up with a mask that‎'‎s too large‎.‎

Size‎:‎ 

• X‎-Samll‎:‎ 56‎-60
• Small‎:‎ 60‎-64
• Medium‎:‎ 64‎-68
• Large‎:‎ 68‎-72
• X‎-large‎:‎ 72‎-76
• XX‎-Large‎:‎ 76‎-80