We often partner with vendors in California who are required by state of law to add a Prop 65 label into some of our clothing. This is something out of our control and mandated in the state of California. To read more about this, you can visit the CA government site with more details here: If you have any additional questions about Prop 65, you can email us at and we will try our best to answer what we know. Please refer to the website link above for any concerns!