Size M/L: approx. 39cm (L)
Size M/L: Neck circumference 45-65cm
Size XXS: 20 - 30 cm chest circumference
Size XS: 26 - 34 cm chest circumference
Size M: 53 - 71 cm chest circumference, W 20 mm
Size XL: 52 - 58 cm neck circumference, W 38 mm
Size M: 40 - 46 neck circumference, W 32 mm
Size XS: 30 - 36 cm neck circumference, W 25 mm
Size L-XL: 81 - 107 cm chest circumference