Features :

Large size fits dogs weighing 50 to 80 pounds with 18- to 30-inch neck， 24- to 34-inch chest
Weighs 10.4 ounces without camera
Five adjustment points for a perfect fit on all shapes and sizes
Broad， padded chest plate for extra protection， comfort， and control

Camera Compatibility:
• GoPro HD Hero， Hero 2， Hero 3 !#!amp!*! Hero 3+，Hero 4

Size Compatibility:
• Adjustable to fit all sizes