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.
Size Chart
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.
product
https://www.utsavfashion.com/product/embroidered-art-silk-jacquard-tuxedo-in-navy-blue-mtx11741621914Embroidered Art Silk Jacquard Tuxedo in Navy Bluehttps://medias.utsavfashion.com/media/catalog/product/cache/1/small_image/295x/040ec09b1e35df139433887a97daa66f/e/m/embroidered-art-silk-jacquard-tuxedo-in-navy-blue-v1-mtx1174_4.jpg543543USDInStock/men/men/plus/men/garden parties/men/designer wear/men/cocktail party/men/party/men/festive/men/jacquard/men/blue/men/coats & blazers/men/applique work/men/cutdana work/men/designer/men/sequins/men/stone workEmbroidered Art Silk Jacquard Tuxedo in Navy Blue <ul><li> Art Silk Jacquard Tuxedo in Navy Blue</li><li> This Readymade Set is Enhanced with Applique, Sequins, Cutbeads, Bullions and Stone Work. Crafted in Lapel Collar and Full Sleeves</li><li> Available with a Satin Shirt in Off White, a Terry Rayon Trouser in Black and a Black Bow Tie</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:Coats & Blazerscolorfam:Bluefabric:JacquardBlueJacquardCoats & BlazersMenWithin 15 days, More than 15 DaysReadymadeParty, FestiveMenswearApplique Work, Cutdana Work, Designer, Sequins, Stone Work34, 36, 38, 40, 4244, 46, 48, 50, 52, 54, 56