Men Short Sleeve Button Front Floral Beach Hawaiian Shirt S (US 34) Rose Red

 If you want a bit loose fit, you may buy one size up.

US Size-----------Shoulder Width------------Chest Girth-----------waistline
34(S)---------------17-----------------------39-----------------------35    
36(S)--------------17 4/8-----------------41-----------------------37    
38(M)-------------18-----------------------42 7/8-----------------39    
40(M)-------------18 4/8-----------------44 7/8----------------41    
42(L)--------------19 ----------------------46 7/8----------------42 7/8
44(L)--------------19 4/8-----------------48 7/8---------------44 7/8
46(XL)------------20-----------------------50 6/8---------------46 7/8