It’s the longest day of the year. Make it the solstice with the mostest. DO Make a Statement: Design for the Cure What: Runway show of twelve Chicago designers who use red fabric to benefit HIV/AIDS. Why: Fashion Rx. When: Thurs., 7-9 p.m. Where: Transit, 1431 W. Lake St., at Loomis St. (312-334-0935). Tickets online at afc.aidschicago.org. SEE Dr. Bronner’s Magic Soapbox What: New documentary follows the family legacy behind the cult cleaning product. Why: Work yourself into a lather. When: Sun., 5 p.m. Where: Gene Siskel Film Center, 164 N. State St., at Michigan Ave. (312-846-2800). Mirror of the Invisible World What: Mary Zimmerman-adapted play from a 12th-century romantic Persian epic. Why: Time to reflect. When: Thru July 29. Previews begin Sat. Where: Goodman Theatre, 170 N. Dearborn St., at Randolph St. (312-443-3800). HEAR Chicago Blues Audio Tour What: Buddy Guy-narrated tour of historic blues music sites, like Maxwell Street and Vee-Jay Records, plus interviews. Why: Let the rhythm guide you. When: Anytime your brassy heart feels like stepping out. Where: Online at downloadchicagotours.com. S Factor Studio What: Actress Sheila Kelley’s new fitness studio offers striptease-inspired, pole dancing workouts. Why: Feel the burn. (Calorie. Not rug.) When: Opens Sun. Where: 1400 W. Hubbard St., at Noble St., 1st. fl. (323-965-9683 ext. 322).