• Foam-padded Construction For Comfortable Extended Wear
• Four Points Of Adjustment For An Optimal Fit
• Two Leash Attachment Points: Aluminum V-ring And Reinforced Webbing
• ID Pocket Stores Dog Tags
• Reflective Trim For Visibility In Low-light Conditions 
• Measurement Is Around The Widest Part Of Your Dog's Rib Cage; If Between Sizes, Choose The Larger Size