Top o’ the weekend to ye. RELIVE Green PF Flyers What: The Boston-based company reissues the Bob Cousy All-American lo-top from 1956. Why: St. Pat yourself on the back. When: Whenever you’re feeling colorful. Where: Bodega, 6 Clearway St., Back Bay (617-421-1550). BROWSE Rogan Spring/Summer ’08 Trunk Show What: View objets d’art and catch the launch of a limited-edition tee made exclusively for Stel’s. Why: A clothes call. When: Fri., 11 a.m.-5 p.m. When: Stel’s, 334 Newbury St., Back Bay (617-262-3348). DO (and GIVE) Spin-a-Thon What: Sign up for 30-minute slots on the bike to combat children’s diabetes. Stick around for complimentary personal training consultations and more. Why: Let it ride. When: Sat., noon-3 p.m. Where: Equinox, 131 Dartmouth St., Back Bay (617-578-8918). Reservations required. DECORATE A Cake What: Swiss pastry chef Jörg Amsler teaches twenty lucky students how to bake and cook. Why: How sweet it is. When: Thru May 8. Wed. & Thurs., 6:30-9 p.m. Where: Truly Jörg’s, 124d Broadway, Saugus. Register at 781-231-5888. ESCAPE RISD Weekender Bags What: A collaborative effort between RISD students and artisans in Guatemala, these vibrant bags are just the thing to send you packing. Why: Get outta town. When: Whenever it’s time to ship out. Where: Diseño, 409 Harrison Ave., South End (617-423-2008).