Spring into action.

WEAR
Mott 50 Active Wear
What: Get your workout routine out of hibernation with a new line of stylishly sporty leggings, zip-ups, long-sleeve shirts, and windbreakers from the Chicago designer.
Why: Everything is UPF 50.
When: You hit the ground running.
Where: Available at Exhale Spa, 945 N. State St., at Walton Pl. (312-753-6500); Krista K, 3458 N. Southport Ave., at Cornelia Ave. (773-248-1967); Neapolitan, 715 Elm St., at Arbor Vitae Rd., Winnetka (847-441-7784).

ROLL
Bowling for Books
What: Knock down pins for charity; $35 gets you unlimited bowling, food, and shoe rental.
Why: Proceeds go to Reach Out and Read, a nonprofit that partners with doctors to prescribe books to children and encourages families to read together.
When: Sat., 9 p.m.-midnight.
Where: Timber Lanes Bowling Alley, 1851 W. Irving Park Rd., at Wolcott Ave. (773-549-9770). Tickets at rorbowling.eventbrite.com.

SHOP
Krista K Shoe Salon
What: Dive feet first into the boutique’s newly expanded selection of ballet flats, flip-flops, sandals, sneakers, pumps, and heels.
Why: Designers include Yosi Samra, Ash, Belle Sigerson Morrison, Pour la Victoire, Stuart Weitzman, and Gastone Lucioli.
When: You need a kick.
Where: 3458 N. Southport Ave., at Cornelia Ave. (773-248-1967).

HEAR
The Socialists
What: The local family band (made up of a dad, his two daughters, and son) plays covers and original music influenced by The Smiths, Joy Division, and LCD Soundsystem.
Why: The cool gene pool.
When: Sat., 6:30 p.m.
Where: Empty Bottle, 1035 N. Western Ave., at Cortez St. (773-276-3600). Tickets ($5) at emptybottle.com.

EAT
BellyQ Brunch
What: Go beyond bacon and eggs with Bill Kim’s new, Asian barbecue-influenced weekend menu.
Why: Wake up to a tea-smoked duck Benedict, lemon grass pork patties, and banana yogurt shake.
When: Every Sun., 10 a.m.-2 p.m.
Where: 1400 W. Randolph St., b/t Ada & Loomis Sts. (312-563-1010).

Photo: Courtesy of Mott 50