Cable Knit Sweaters Are Perfect For Any Occasion. Our pullover style Casual Canine Cable Knit Sweaters look great on any dog. Machine washable sweaters are made of soft, acrylic that will keep dogs toasty-warm, and feature leg straps and ribbed neck and sleeves to ensure a comfortable fit. For proper fit, measure length of pet's back from the nape of neck to the base of the tail