Kangol Red Tropic 504 Ventair Hat In good gently used condition overall with some subtle marks and light wear. - Size is rubbed off, but it is approx. 9" diameter - Red The Tropic 504 Ventair cap gets its name from a unique place — the number of the original block shape from which it's made. The Tropic yarn make this an ultra-lightweight cap that is the perfect choice for spring and summer wear. Offers welcome! Bundle 2 or more items to save on shipping and automatically get 30% off!