Paul Smith silk and cotton blend tuxedo jacket in petrol (black wool tuxedo trouser not shown), $2,325. Barneys Co-Op all-over plaid pocket square, $50. Theory indigo long-sleeve cotton shirt, $185. Save Khaki blue and white pinstripe cotton shorts, $110. Barneys New York. Götti Switzerland Falco Slim in stainless steel, $310. The Oculist Exceptional Eyewear.