Product Description: Material: Polyester, Denim; Size: XS: Chest circumference: 11.8 inches (30 cm), Length: 7.9 inches (20 cm), Neck: 8.7 inches (22 cm), S: Chest: 13.8 inches (35 cm), Length: 9.4 inches (24 cm), Neck: 12.6 inches (26 cm), Length: 13.4 inches (28 inches (3 inches (3 inches (3 cm); *Measured when laid flat, please note that there may be slight errors in (34 cm).