1. Suit With A Twist

It’s galling dropping money that’s earmarked for presents on an outfit you only give a couple of annual outings. Instead, use luxe accessories to make everyday looks party-ready, with less outlay.
First, take your darkest suit and an equally shadowy shirt. Then, layer a silk scarf beneath the jacket. Muted tones pop against inky tailoring and, allied with contrasting fabrics, elevate your workwear for cocktail hour.
Subtle patterns lift things further, says Austin Reed buying manager Clotilde Blanc, who recommends geometric or pinpoint designs. Just stick to jewel tones to avoid dazzling the other guests.
Men's Go-To Party Season Outfit - Dark Suit With A Silk ScarfDavid Naman AW14

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Dark Suit With A Silk Scarf
REISS FIRE PEAK LAPEL SUIT - click to buyGIOVANNI SPOTTED SILK SCARF BORDEAUX - click to buy

2. Black No Tie

By now the air tie should be a regular element in your tailoring rotation. But it can cross over over into your formalwear, too, if your tuxedo is pin-sharp.
Ditching the dickie exudes rock ‘n’ roll loucheness – Mark Ronson and Yeezy are no-bow proponents – so the slimmer and darker your tux, the better. It also pushes things casual, so tone down the rest of your look to suit; a shawl collar beats peak lapels, rich velvet trumps shiny wool, and don’t be tempted by studs or wing tip collars.
For extra frontman points, go all-black, from shirt to patent leather shoes.
Men's Go-To Party Season Outfit - All Black TuxedoReiss AW15