QZUnique Men's Big and Tall Fashion Basic Button-Down Long Sleeve Shirt Please refer to size details below before ordering, or you could contact us directly if you have any questions concerning size choices: Chest--US XS/Asian M:37''; US S/Asian L:38.6''; US M/Asian XL:40.9''; US L/Asian 2XL:43.3''; US XL/Asian 3XL:45.7''; US 2XL/Asian 4XL:48.1''; US 3XL/Asian 5XL:50.4''; US 4XL/Asian 6XL:52.8'' Shoulder--US XS/Asian M:16.2''; US S/Asian L:16.5''; US M/Asian XL:17.3''; US L/Asian 2XL:17.7''; US XL/Asian 3XL:18.5''; US 2XL/Asian 4XL:19.3''; US 3XL/Asian 5XL:20.1''; US 4XL/Asian 6XL:20.9''; Fabric:cotton; Machine washable Men's fashion button down long-sleeve shirt big and tall; Multiple size and color choices All orders fulfilled by [Global Best Discount] with [standard shipping] are free shipping, and it usually only takes 5 to 10 business days to arrive, much sooner than the estimated delivery time