Product size composition

S size: M size collar+S size harness
M size: M size collar+M size harness
L size: L size collar+L size harness
XL size: XL size collar+XL size harness

Measurement Size For Harness

S size:
Forebreast Girth: 15.7-26.8in, Chest Girth: 24.4-33.1in

M size:
Forebreast Girth: 24.4-31.5in, Chest Girth: 30.3-39in

L size:
Forebreast Girth: 26.8-41.3in, Chest Girth: 34.4-45.3in

XL size:
Forebreast Girth: 29.1-44.1in, Chest Girth: 36.6-48in