Using only the highest grades of materials in all Ezydog life jackets. Designed for function, safety and comfort, featuring a unique fixed collar adjustment system, which only has to be adjusted once. The foxed collar maintains the same positioning at all times, yet still offers ample adjustment. All webbing is contained within neck strap, meaning there's no loose webbing to irritate your dog. The Ultra Buoyant foam is strategically positioned around the vest, including the section under the dog's belly. Keeping your dog upright and in a natural swimming position without hindering the natural movement of your dog.