Mud Daddy® 5L Insulated Jacket – Keeps Water Warm for Outdoor Use - Green Daddy The is perfect companion your adventures. Engineered with a lightweight outer shell, this ensures remains safe and free from scratches. Its advanced thermal insulation over 5 hours, or cold to help cool down dog during hot weather — extended outings. Constructed high-grade neoprene, provides exceptional protection against scratches bumps, allowing you explore confidence. designed fit perfectly units only.