Size Guide
Size Collar Chest
Small 14.5" 37"
Small/Medium 15" 38.5"
Medium 15.5" 40"
Medium/Large 16" 41.5"
Large 16.5" 43"
Large/X Large 17" 44.5"
X Large 17.5" 46"
XX Large 18" 49"
 
All measurements are displayed in inches.