📏 Size Guide – Men’s Shirt Size Chest (inches) Shoulder (inches) Sleeve Length (inches) Shirt Length (inches) S (Small) 36 – 38 17 – 17.5 24 27 M (Medium) 39 – 40 17.5 – 18 24.5 28 L (Large) 41 – 42 18 – 18.5 25 29 XL (Extra Large) 43 – 44 19 – 19.5 25.5 30 XXL (Double XL) 45 – 46 20 – 20.5 26 31