U.S. speedskaters will resume competition Saturday in an older racing suit from Baltimore-based Under Armour, hanging up the company's high-tech Mach 39 suit introduced for the Winter Olympics in Sochi.
Some skaters worried the new suit might be hurting their performance.
Kevin Haley, Under Armour's senior vice president for innovation, said an Under Armour design team was in Russia, tweaking the older suits, which skaters wore during World Cup competition, to meet International Skating Union standards for use in Sochi.
"We have the utmost confidence in the suits, and there is nothing to indicate that there is anything that needs changing. That said, we make any...