This beautiful, cozy earwarmer is great on its own, or under a hood or hat on those especially cold, winter days! Preemie - 9-12" Baby - 12-16" Toddler - 16-18" Child - 18-20" Teen - 20-22 Adult - 21-24" Adult Large - 24"+ Please send head measurement when ordering, and if ordering plaid, stripes or team colors please specify up to 3 colors desired and I will verify color choices prior to making your earwarmer. The multicolor category refers to variegated yarn, so choose a base color and I'll send a picture of your options. Please allow 3 - 5 business days for creation prior to shipping.