Here's all the sizing information for Oakley Clothing and Oakley Ski and Snowboard Helmets.
Mod1
Small 20-22 inches
Medium 22-23 inches
Large 23-24 inches
Mod1 Youth
Small 19-21 inches
Medium 21-22 inches
Mod1 Pro
Small 20-22 inches
Medium 22-23 inches
Large 23-24 inches
Mod3
Small 20-22 inches
Medium 22-23 inches
Large 23-24 inches
Oakley Clothing Tops
Oakley Clothing Bottoms
