Modern accessories dress up classic suits. Black pinstripe silk suit, $1,695; white shirt, $325, both by Dolce & Gabbana, dolcegabbana.it. Shoes, $580, by Cesare Paciotti, 212-452-1222. Blue and lavender pinstripe suit, $1,195, by Michael Andrews Bespoke, michaelandrewbespoke.com. Blue shirt with French cuffs, $180; “Triandra” paisley tie, $100, both by Thomas Pink, 212-838-1928. Brown shoes, $1,255, by John Lobb, johnlobb.com.