Posted in Business & Finance YXL stands for Youth Extra Large (clothing sizing) YXL stands for Sioux Lookout, Ontario, Canada (Airport Code) YXL Share Pinterest Tweet Whatsapp Post navigation YXSYXJ Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.