Japanese Paper And Cotton Tweed Drop Crotch Slim Trousers CharcoalDESCRIPTION D. HYGEN [SADDAM TEISSY] 2023 Spring Summer Collection. The weft is made of Japanese paper yarn, intertwined with cotton yarn in a bias weave. C # CHARCOAL is a colour inspired by the skin of a fish living in a mountain stream, based on the season concept of "STREAM". The silhouette is deep in the crotch, roomy around the hips and tight from the knees down.