Cozy Thermal Dog Pajamas Comfortable pajamas for your dog Features a waffle weave thermal knit with faux back flap, decorative buttons and contrast topstitching The back closer holds them securely on your dog This pattern will keep your dog looking cozy The blue color is perfect for any dog Measure your pet from the base of neck to base of tail Measure the broadest part of chest behind front legs Note: If the measurement is between sizes, select one size larger for proper fit.