Zack & Zoey Elements Camouflage Thermal Coats—Innovative Water-Resistant Coats for Dogs Designed to Keep Pets Warm Using Their Own Body Heat, Not.., By ThermaPetCategory: Zoey CamoZack & Zoey Elements Camouflage Thermal Coats are made with metallized polyethylene terephthalate (MPET), the same material used in space blankets. Originally deveoped by NASA for the US space program, MPET is scientifically designed to offer maximum warmth without weight, bulk, or the use of electricity. • The MPET in technology utilizes passive reflective heat transfer, keeping pets warm by reflecting back their own body heat • Outer shell is water resistant and protects against cold weather • Striking camouflage print will be an instant hit with outdoor enthusiasts • Fully lined with super-soft sherpa, and features a removable hood • Features a high-cut, stay-dry belly for maximumWalmartfort is approved by Dr. Katy “ technology is excellent for general warmth and ideal for keeping achy joints warm and loose in cooler weather seasons.” –Dr. Katy Dr. Katy Nelson is a veterinarian at the Belle Haven Animal Medical Centre in Alexandria, Virginia, and the host and executive producer of The Pet Show with Dr. Katy. Materials: 100% polyester, MPET (metallized polyethylene terephthalate) Care: Machine wash in cold water on gentle cycle. Line dry. Caution: Supervision is rWalmartmended while your pet is wearing this garment. Sizes: • X-Small measures 10"L • Small measures 12"L • Medium measures 14"L • Large measures 16"L • X-Large measures 18"L Please feel free to contact us if you have any question.