Under Armour, amanufacturer and marketer of high-performance athletic apparel and footwear, opened its first full-line retail store, in Westfield Mall, Annapolis, Md. Customers enter the 4,500-sq.-ft. store from the mall through a stadium-styled tunnel. The interior combines state-of-the-art video and audio systems, and features an immense bronze statue of Under Armour’s signature brand ambassador Big E. Fitch designed the store in cooperation with Under Armour.… Uniqlo has opened a flagship on London’s Oxford Street. Coldwater Creek opened its first Manhattan store, a 15,000-sq.-ft. flagship on the city’s wealthy Upper East Side. The store, designed by Cowan & Associates ,has a comfy Pacific Northwest feel, enhanced by a water wall and wrought-iron lighting fixtures and scented lemongrass candles.… Tiffany & Co. opened an 11,000-sq.-ft. store on Wall Street in Manhattan. The interior, designed by Yabu Pushelberg ,Toronto, sparkles with a main floor divided by several 12-ft. glass screens lit from beneath with LED lights. The back wall, which features panels that are faceted like diamonds, is inlaid with display cases.… The new American Girl Boutique and Bistro at North Point Mall, Atlanta, features private-party rooms that host four different American Girl-themed celebrations. The 12,000-sq.-ft. space also has a 77-seat casual bistro.… Kohl’s Corp.’s new prototype includes fitting rooms with lounge areas, upgraded restrooms, expanded juniors and customer-seating areas and a redesigned checkout. The format is being rolled out in some 95 new locations.