Size Length Chest Neck
XS 19cm/7.5inch 30cm/11.8inch 21cm/8.3inch.
S 24cm/9.45inch 35cm/13.8inch 25cm/9.8inch.
M 28cm/11.0inch 40cm/15.8inch 28cm/11.0inch.
L 32cm/12.6inch 45cm/17.7inch 31cm/12.2inch.
XL 36cm/14.2inch 50cm/19.7inch 34cm/13.4inch.
XXL 40cm/15.8inch 55cm/21.7inch 37cm 14.6inch.