Olas Por Favor Signature Cali Cap. This 5-panel black cap can be worn riding through a barrel or taking in an epic set beach side. The Olas Por Favor Signature Cali Cap has a water resistant polyester shell complete with a nylon adjustable strap and clip enclosure. Whether you're one of our Surf Gurus or a Kook in training, the Cali Cap will have you dialed in style.