Our Pet Life ® Metallic Ski Parka contains Thinsulate ® thermal heat retention technology specially inserted between the fabric. features matching tone on tone inner fleece lfabric. Features a faux fur removeable zippered hood and "usable" back pockets .You pet will stay warmer through those Harsh cold weather conditions. (Available in other colors). Sizing Guide: From Back of Neck to Tail area ("In" Inches) 8" : EXTRA SMALL 10-12": SMALL 14-16": MEDIUM 18-20": LARGE 22-24": EXTRA LARGE