I was able to find a size chart on the manufacturer's website: https://rukkapets.de/bekleidung/stream-regenjacke-gelb According to the tablet, size 50 is suitable for the following measurements: Back length: 51 cm Neck circumference: 51.5 cm Body circumference: 82 cm

Hi, we have added a size chart to the pictures. Best regards

i believe they have a size chart on their website