Traditionally used in making swimsuits the Neoprene is a perfect material for your dog’s vest. The Jack Pyke 5mm Neoprene Dog Vest is made using a 5mm Neoprene keeping your dog warm at all times. The vest can be easily adjusted with large hook and loop adjustments and it is very easy to put on without stressing the animal. Lead can be attached to a strengthened D ring located by the neck side of the vest. This vest is perfect for dog walkers or anyone working with the dogs. Jack Pyke 5mm Neoprene Dog Vest for Warmth