Small: Chest: 84-96 cm (≈33-38 inches) Bicep: 25-30cm (≈10-12 inches) (non-flexed)
Medium: Chest: 94-106 cm (≈37-42 inches) Bicep: 30-35cm (≈12-14 inches) (non-flexed)
Large: Chest: 102-134 cm (≈41-53 inches) Bicep: 30-40cm (≈10-14 inches) (non-flexed)