Goodthreads Men's Standard Fit Stretch Flannel Shirt - Blue Plaid - XL - New

Features a button-down collar and two chest pockets with button closures.  Customers like the fit and quality of the shirt. They mention that it fits as it should, and does not shrink in the wash. The material is also very good, and is very true to its size.

See image of size chart for sizing details. 

Fabric is 98% Cotton, 2% Elastane