Dickies Big Men's Plaid Short-Sleeve Shirt 55% cotton 55% Cotton, 45% Polyester - Lightweight NOTE: This shirt runs about 1" small in the chest. Please see Hand Measurements in the next bulletpoints Chest (underarm to underarm): 3XL - 28" / 4XL - 29" Length: 3XL - 33.5" / 4XL - 35"