It looks like flannel but it's actually a nice cotton shirt. Not sure about the size, we started small and ended up choosing honey for a 5'9" 165" guy. Nice slim fit. Looks great
Men'S Regular Fit Short-Sleeve Dress Shirts By Allsense - Look Stylish And Professional!
41 Review
INFLATION Bamboo Shirts Sleeve Elastic Men's Clothing in Shirts
45 Review
Men'S Long Sleeve Polo Shirt - Slim Fit, Stretchy, Breathable Collar
43 Review
H2H Mens Casual Slim Fit Short Sleeve T-Shirts Cotton Blended Soft Lightweight V-Neck/Crew-Neck
46 Review