Transform your entire look with a timeless denim jacket, perfect for warm summer nights or as an extra layer when the season changes. Denim. Product Type : Denim jacket. Neck : Round Neck. Sleeve : Long sleeves. Closing : Button fastening. Pockets : Front pockets with button fastening. Size Conversions: XS-UK 6, S-UK 8, M-UK 10, L-UK 12, XL-UK 14, XXL-UK 16.