Traditionally used in making swimsuits, the neoprene is a perfect material for your dog's vest. The Jack Pyke dog vest is made using 5mm neoprene keeping your dog warm at all time. The vest can be easily adjusted with a large hook and loop adjustment and is quite easy to put on without stressing your dog. Your dog lead can be attached to a strengthened D ring located by the neck side of the vest. This vest is ideal for working dogs and dog walkers on those cold and wet days. Also helps to keep the amount of mud and sticky bud grassland elements away from their main body hair.