This item is a new pet cooling shirt with Insect Shield® technology - select size. Not only does your pet get the effective, odorless and long-lasting insect protection(Permethrin repels mosquitoes, ticks, fleas & flies), but this comfortable tank has cooling benefits using Jadecool - a jade powder infused directly into the fabric fibers which absorbs and releases excess heat... providing an immediate cooling sensation when wet. Made of a lightweight, stretchy and breathable fabric, it has contrasting side mesh panels... cut shorter on belly. Machine washable. Vet approved and EPA registered. Approximate sizing below - comfort levels may vary:

• XS: Neck - 9"; Girth - 15"; Length - 10" (for some, not all Maltese, Yorkies…)
• Small: Neck - 10"; Girth - 16"; Length - 12" (for some not all Boston Terriers, Pugs...)
• Small/Medium: Neck - 12"; Girth - 19"; Length - 14" (for some, not all Pekinese, Mini Poodles...)
  
• Large: Neck - 17"; Girth - 28"; Length - 20" (for some, not all Border Collies, Bulldogs...)
• XL: Neck - 22"; Girth - 34"; Length - 24" (for some, not all Golden Retrievers, Collies...)