At least the sizing chart looks reasonable    Males XS S M L XL 2XL 3XL     Chest (inches) 30-32 34-36 38-40 42-44 46-48 48-50 50-52   Waist (inches) 28-30 30-32 32-33 33-34 36-38 40-42 44-48    https://swagbymilo.groovehq.com/knowledge_base/topics/sizing