Hyde Park Fabric: blue/white: Wool rayon mix. Blue: Cotton. White: Faux fur Fabric Care: Dry clean or spot wash, dry flat. Jasper and Lenore clothing also has adjustable features to help ensure the perfect fit for your dog. Back: Measure your pet from the base of the neck to the base of the tail. Neck: Measure all the way around the neck at top of the shoulders. Chest: Measure girth all the way around broadest part of chest or ribcage. Measurements Size Back Neck Chest XS 12 9-11 13-15 S 14 12-14 17-20 IMPORTANT INFORMATION: Manufacturer: Jasper and Lenore Sizes: XS, S (see chart)