Sizing is messed up! I'm 6'1” tall, 203lbs, with a 42.5” chest, 37” natural waist, and 34.5” sleeve length (dress shirt measurement). So, I follow the size chart for the Chore Coat,
Official Carhartt Men's Clothing Size & Fit Guide | Carhartt
Carhartt Men's Medium Shadow Cordura Nylon Gilliam Jacket 102208-029 - The Home Depot
Carhartt Size Chart - Women's - Scrubs 'n Such
Official Carhartt Men's Clothing Size & Fit Guide | Carhartt
Carhartt Sizing Charts
Carhartt Men's Shirts, Jackets, and Coats Size Chart – Tomlinson Sales Company
Size Chart for Carhartt CTJ131 Thermal-Lined Duck Active Jacket - A2ZClothing.com