Size chart: Universal Shoulder Immobilizer

Size Type Inches Cms
S 10 - 11 25 - 27.5
M 11 - 12 27.5 - 30
L 12 - 13 30 - 32.5
XL 13 - 14 32.5 - 35
XXL 14 - 15 35 - 37.5