Urban Outfitters Out from under Bossa Nova Halter Bra Underwire- So many Different ways to wear! Size Medium Green Floral Polyester and Elastane Blend Great Condition Smoke free home Inspired by the rhythm and beat of Brazilian samba, the Bossa Nova is a free-flowing top with a ribbon tie halter and twisted neck. By Out From Under for Urban Outfitters. Cozy up in intimate lounge wear from UO’s exclusive Out From Under label that's so fashion-forward, you’ll want to wear it out.