Transform yourself into O.W.C.A.'s most intrepid agent with this awesome knit sherpa cap from Phineas and Ferb, featuring Perry the Platypus's face in a detailed blue plush and embroidery design, with woven blue tassels and a soft, warm 100% polyester lining. The perfect winter hat for anyone with more to them than meets the eye - Dr. Doofenshmirtz won't know what hit him.