Under Armour is partnering with Lockheed Martin, the aerospace and defense company, to build a faster speedskating suit. According to a report in The Washington Post, the suit is being called the “Mach 39” and is to be unveiled at the Winter Olympics in Sochi next February. The Baltimore-based brand is also sponsoring Olympic skier Lindsey Vonn. In order to create the new suit, Lockheed Martin's engineers created six mannequins, each mimicking different body positions assumed by skaters as they zip around the ice. The mannequins were tried in wind tunnels in a variety of outfits. Altogether, Under Armour tested more than 100 textiles and 250 configurations, moving zippers, seams and fabrics around. The suit uses five fabrics. Under Armour told The Washington Post that through the Olympic showcase, the company aims to expand its global reach, as only 10 percent of its sales currently come from outside the U.S. The company will not reveal exactly how much faster the new suits might perform in Sochi but it is well known that gaining even a fraction of a second per lap can have an impact. At the 2010 Winter Games in Vancouver, both the men's 500- and 1,000-meter races were decided by less than two-tenths of a second and the 1,500 meters by a half-second.

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