Free Knitting Pattern for Elephant Hat - Beanie with ears, trunk, and optional crown knit separately. Baby and Child Sizes: Newborn size fits from birth to six months, Small from three months to eighteen months, Medium from twelve months to seven years, and Large size from five to ten years. Excerpted from Gramma Nancy's Animal Hats (and Booties Too!) by Nancy Nielson. Worsted weight yarn.