Size XSMALL measures 10" from neck to bottom.  Neck measures 10" and will stretch for easy on and off.  This sweater is suppose to go to 3/4 down the back, not to base of tail.  These are great for a little extra warmth in winter and summer, when we have the air on.  These are machine washable and dryable and will not shrink. Shipping discount on more than 1.  Please check out my store for more great items.  I will combine shipping for you to save some money.  Take a minute to add me to your favorites and sign up for store e-mail.  The e-mail comes out once every 2 weeks.  I have had my store for 22 years with a 100% positive feedback.  You can have confidence in your purchase.  I only sell high quality items.  Thanks for looking and please message me with any questions.