100% Acrylic. These classic knit legwarmers have reinforced elastic leg and foot openings and generate maximum heat to keep your muscles nice and toasty. The soft acrylic resists pilling and retains it's original shape, and the multilayer design around the ankle is perfect for dancers who need a little extra warmth during class and long rehearsals. Whether you're in ballet shoes, pointe shoes, jazz shoes, or tap shoes, these legwarmers are sure to keep you warm and ready to go. Made in Guatemala. Original Eurotard legwarmer. FITTING GUIDE: One size fits most.