We combined the classic bulldog harness look with tough-as-nails, saddle leather on the outside and soft garment leather underneath to create the ultimate experience. Sizing Chest Size Small 940 mm (37") - 990 mm (39") Medium 965 mm (38") - 1016 mm (40") Large 1016 mm (40") - 1067 mm (42") X-Large 1067 mm (42") - 1 118 mm (44")