Clockwise from top left:
- Cotton pocket square, $50, J.Crew, 900 N. Michigan Ave.
- Paul Smith cotton pocket square, $60, Apartment Number 9, 1804 N. Damen Ave.
- Drake’s cotton pocket square, $70, mrporter.com.
- Silk twill pocket square, $150, Hermès, 25 E. Oak St.
- Cotton pocket square, $20, Brooks Brothers, 4999 Old Orchard Center, Skokie.