Department stores are hectic this time of year, and buying secondhand is not only a growing trend but more environmentally friendly. ThriftCon, launched last year in Denver, is part flea market, part walking fashion show. Hundreds of shop owners and online dealers will be selling thousands of retro clothes (including old band, concert and dated pop culture-minded t-shirts), shoes, accessories, home goods and other collectibles from every decade. So you just might find those vintage Air Jordans you’ve been coveting for a bargain price. The event also features raffles, giveaways, podcast recordings, a DIY customization area and art installation by local artist Berk Visual. The organizers are holding a donation drive benefiting the Union Mission Rescue and Shelter Partnership, so bring five articles of clothing and get a free shopping bag.

Los Angeles Convention Center, 1201 S. Figueroa St., downtown.; Sun., Dec. 15, 10 a.m.-5 p.m.; $5-$20. (213) 741-1151, thriftcon.co. 

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