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-grey-mgv1545-sh222156734Embroidered Art Silk Sherwani in Greyhttps://medias.utsavfashion.com/media/catalog/product/cache/1/small_image/295x/040ec09b1e35df139433887a97daa66f/e/m/embroidered-art-silk-sherwani-in-grey-v1-mgv1545.jpg252.6421USDInStock/men/men/plus/men/wedding/men/art silk/men/grey/men/sherwani/men/buttons/men/resham/men/sequins/men/traditionalEmbroidered Art Silk Sherwani in Grey <ul><li> Art Silk Sherwani in Grey</li><li> This Readymade attire with Satin Lining is Enhanced with Buttons, Resham and Sequins Work and is Crafted in Chinese Collar Neck and Full Sleeve</li><li> Available with an Art Dupion Silk Aligarhi Pant 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:Sherwanicolorfam:Greyfabric:Art SilkGreyArt SilkSherwani31%-40%MenMore than 15 DaysReadymadeWeddingMenswearButtons, Resham, Sequins, Traditional34, 36, 38, 40, 4244, 46, 48, 50, 52