The Original Kids Knit Sock Monkey Hat (Red/brown, One Size "50% Acrylic/50% Polyester Made in USA or Imported Cute design your child will love Kids Sized Original Sock Monkey Hat Acrylic/Polyester Double layer w/ fleece & acrylic for extra warmth Chin straps secure the hat in place on windy days Measures 10" L x 9.5" W with 9" chin straps