X-Small:
Neck: 9" - 12"
Chest: 12" - 16"
Weight: 2 oz.
Width: 10mm
Webbing strength: up to 400 lbs of pull

Small:
Neck: 11" - 14"
Chest: 15" – 21”
Weight: 4 oz.
Width: 15mm
Webbing strength: up to 500 lbs of pull

Medium:
Neck: 14” – 19”
Chest: 20" – 29"
Weight: 6 oz.
Width: 20mm
Webbing strength: up to 650 lbs of pull

Large:
Neck: 18” – 24”
Chest: 24” – 34"
Weight: 10 oz.
Width: 25mm
Webbing strength: up to 850 lbs of pull

For more details, please check Shipping Information here.