I have a hard time finding a shirt that fits my 18 inch neckline that isn't huge in the chest and the sleeves aren't too long. In general, I recommend a good quality shirt.
Van Heusen Traveler Stretch Men's Shirt
47 Review
H2H Mens Casual Slim Fit Short Sleeve T-Shirts Cotton Blended Soft Lightweight V-Neck/Crew-Neck
46 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