Stone Island Slim Fit Jeans in Navy. Add some SI style to your jeans collection with these slim fitting jeans. Crafted from 100% cotton for a classic denim, these are a great go to jean for the more casual days. The upper thigh has been given a slightly worn look, giving up that helping hand to break your jeans in. Other features include 5 pockets, button fly, branded buttons and rivets finished with the brands iconic removable patch logo to the rear pocket.