You can always submit your measurement after placing the order. For now, just select Customize with Made to Measure, click Add to Shopping Bag and complete order. Later on go to Account section, visit My Orders page and submit your latest measurement.
If your bare chest size measurement is 40 inches, you should select size 40 only from the drop-down.The Top chest attribute in the size chart refers to the garment chest size. It is inclusive of the required 3 to 4 inches loosening, to ensure the right fit.
If your bare chest measurement falls between 2 sizes i.e 37 inches, you should select size 38.
https://www.utsavfashion.com/product/pure-silk-dhoti-shirt-set-in-off-white-mxt2001607901Pure Silk Dhoti Shirt Set in Off Whitehttps://medias.utsavfashion.com/media/catalog/product/cache/1/small_image/295x/040ec09b1e35df139433887a97daa66f/p/u/pure-silk-dhoti-shirt-set-in-off-white-v1-mxt200.jpg285.6476USDInStock/men/men/groom/men/festive/men/pure silk/men/white/men/dhoti kurta/men/traditional/men/zariPure Silk Dhoti Shirt Set in Off White <ul><li> Readymade Pure Silk Shirt in Off White</li><li> This Collar Neck and Full Sleeve attire is Allured Buttons, One Patch Pocket and Zari Woven</li><li> Available with a Pure Silk Dhoti and a Pure Silk Shalia Dupatta in Off White</li><li> Do note: Footwear shown in the image is for presentation purposes only. Half to one inch may vary in measurement. (Slight variation in actual color vs. image is possible)</li></ul>USDtype_new:Dhoti Kurtacolorfam:Whitefabric:Pure SilkWhitePure SilkDhoti Kurta31%-40%MenWithin 10 days, Within 15 days, More than 15 DaysReadymadeFestiveMenswearTraditional, Zari34, 36, 38, 40, 42