Soft linen fabric. Comfortable fit. Trojan is the arm. It can also be used as a long sleeve when you open the cufflink. It is a soft textured fabric. Product Length: 75 cm PRODUCT DIMENSIONS - SIZE 44 CHEST: 112 CM - HIPS: 114 CM. -SIZE 46 CHEST:116 CM- HIPS: 118 CM. -SIZE 48 CHEST: 120 CM- HIPS: 122 CM. -SIZE 50 CHEST: 124 CM- HIPS: 126 CM. -SIZE 52 CHEST: 128 CM- HIPS: 130 CM. -SIZE 54 CHEST: 132 CM- HIPS: 134 CM.