Because this garment does not have standard armpit seams/gussets, the flat-lay chest measurement in the photos is my best estimate of the widest part of the chest. Please review the photos carefully to ensure a great fit! Measurements: • Length: 33.5" • Pit to Pit: ~27" • Chest: ~54" Attributes: Brand: Alaskan Hardgear by Duluth Trading Co. Style: Button Down Shirt Color: Charcoal Gray Pattern: Heathered Material: 100% Polyester Sleeve Length: Long Sleeve Closure: Button Neckline: Button Down Collar Pockets: Dual Chest Button Pockets Features: Contrast Stitching Occasion: Casual / Workwear Model: 74265 Fit: Regular Season: All Season Please review the measurements provided in the photos. It is best to compare our listing's measurements to a similar article of clothing in your closet to ensure a proper fit! Shipped USPS Ground Advantage!