Size Material Neck (in) Chest (in) Neck (cm) Chest (cm)
XXS Neoprene 8-10 in 12-15.5 in 20-26 cm 30-40 cm
XS Neoprene 9.5-12 in 14-18.5 in 24-31 cm 35-48 cm
S Cotton Canvas 12.5-18.5 in 15-20 in 32-48 cm 38-52 cm
M Cotton Canvas 16-23.5 in 19-25 in 40-60 cm 48-64 cm
L Cotton Canvas 19-27.5 in 25-34.5 in 48-70 cm 64-88 cm
XL Cotton Canvas 24-33 in 33-41 in 60-85 cm 83-105 cm