Accurate measurement is key to selecting the right size. Start by using a soft measuring tape to measure the middle of the neck. Make sure it is snug with zero slack between the tape and neck. Measure three times and use the smallest measurement.

Neck Measurement         Q-Collar Sleeve Size

INCHES                       

10.75" - 12.75"                  Small (11-12)
13" - 14.75"                       Medium (13-14)
15" - 16.75"                       Large (15-16)
17" - 18.75"                       XL (17-18)