The Kangol Tropic Ventair 504 is the airy version of the famous 504 model in wool, so you can also wear your favorite Kangol on a warm sunny day. The cap is specially made for warm weather from Kangol's traditional polyester composition and has been in the collection since the late 1950s. The cap has an elastic band on the inside, making it very comfortable to wear. The Ventair has extra large ventilation all around.