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/embroidered-art-silk-sherwani-in-light-green-mly669-sh222163391Embroidered Art Silk Sherwani in Light Greenhttps://medias.utsavfashion.com/media/catalog/product/cache/1/small_image/295x/040ec09b1e35df139433887a97daa66f/e/m/embroidered-art-silk-sherwani-in-light-green-v1-mly669.jpg231.7331USDInStock/men/men/plus/men/groom/men/wedding/men/party/men/art silk/men/green/men/sherwani/men/buttons/men/contemporary/men/resham/men/sequins/men/zariEmbroidered Art Silk Sherwani in Light Green <ul><li> Readymade Art Silk Sherwani in Light Green</li><li> This Chinese Collar and Full Sleeves attire with Satin Lining is Enhanced with Resham, Zari, Sequins and Button Work</li><li> Available with an Art Dupion Silk Churidar in Cream</li><li> Do Note: Turban and 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:Sherwanicolorfam:Greenfabric:Art SilkGreenArt SilkSherwani21%-30%MenMore than 15 DaysReadymadeWedding, PartyMenswearButtons, Contemporary, Resham, Sequins, Zari34, 36, 38, 40, 4244, 46