Brand: Animal Go RoundMaterial : Soft Cotton, StretchableSize Chart: allow 1-2cm variance especially for thicker coatSIZE S (2) - CHEST 34-36 CMSIZE M (3) - CHEST 38-40 CMSIZE L (4) - CHEST 40-43 CMSIZE XL (5) - CHEST 46-48CMSIZE XXL (6) - CHEST 51-53CMSIZE XXXL (7) - CHEST 56-58CMSIZE XXXXL (8) - CHEST 61-63CM