Trailhead Dog Collar Sizing Chart

Use the sizing chart to select the appropriate size for your dog.

Neck
Width
Size
9.8 - 13.8Β in (25 - 35 cm)
.6 in (1.5 cm)
S
13.8 - 19.7 in (35 - 50 cm)
.8 in (2 cm)Β 
M
17 - 25.6 in (45 - 65 cm)
1 in (2.5 cm)Β 
L

Β