Friends who cannot determine the size can send their height and weight to customer service. Due to the time difference, if there is no timely response, they can place an order first, and customer service will send the appropriate size based on their height and weight If you are satisfied with our products and services, please leave a positive review and give it a 5-star rating. If you are not satisfied with our products or logistics, please contact us before leaving a negative review. We promise to solve your problems 100% and satisfy you. Service Description: We value every customer and are always committed to providing assistance to you. We hope to establish a long-term cooperative relationship with you. Please contact us through the order message before leaving negative reviews or initiating disputes on the platform. Please give us a chance to solve your problem. Thank you very much for your support!!!