New models Elite models Model Nicole Brima Models Belankazar Brima D Brima D Models Brima Model Valensiya Cutiegarden Brima. The Fashion Wool 504 Ivy Cap is the iconic, original Kangol Cap. First introduced in 1954, the 504 cap gets its name from the number assigned to the block shape that it is made on. The seamless, knitted and blocked construction is purely a Kangol innovation, and wool is the fundamental raw material upon which Kangol has built its name. Approx. 9 1 4" Diameter 1 7 8" Sewn Bill Made of: 100% Wool Knit Sweatband Embroidered Kangol Kangaroo Logo (at back) Unlined Size(s): S, M, L, XL and XXL; fits true to size.