The Kangol 507 flat cap in olive green from the Kangol flat caps Fall/Winter 2012 collection. When most people hear the word "Kangol", they immediately think of this cap. This is the classic stand by for Kangol. The wool fabric keeps you warm and dry in wet, cold weather. The elastic sweat band is one of the nicest features of this cap.Â It provides for ultra softness, fit, and comfort. This is one of the firstcaps Kangol produced and is still their best seller, If there was ever a cap that you couldn't go wrong with, this is it! Material: 100% wool felt. Other Features: Unlined, packable, elasticised sweatband, embroidered kangaroo logo, padded brim. Kangol.