Speedo Innovation

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Speedo innovation:
Swimwear companies have invested millions designing high-performance suits for the upcoming Beijing Olympics. Can design help swimmers finish faster? Following the 2004 Athens Olympics, officials at swimwear giant Speedo had good reason to celebrate: Athletes clad in their latest suits at the time, called Fastskin FSII, won 46 medals in the pool. Yet when the company's in-house design team, Aqualab, gathered soon after the games at company headquarters in Nottingham, Britain, they were already focused on how to innovate the next generation. "We looked at all the suits and the competition and what was good and bad," recalls Jason Rance, worldwide head of Aqualab. Four years later, after a multimillion-dollar research and development effort, Speedo in February unveiled the LZR (pronounced laser) Racer, made from a featherweight fabric and equipped with compressor panels that hug a swimmer's body. Staying ahead of the pack in high-performance swimwear is crucial for companies like Speedo, owned by the Pentland Group and licensed in the U.S. by apparel company Warnaco (WRNC). While the global swimsuit market targeted to elite athletes is worth an estimated $15 million annually, there's a much broader "training" market figured at $500 million globally and made up of amateur, collegiate, club, and recreational swimmers. They seek to emulate swimming world stars by buying the same expensive gear. The overall U.S. swimwear market is $4.3 billion wholesale, according to market researcher the NPD Group. If you want the LZR, get ready to pay between $290 and $550 per suit when it becomes available to the general public in late June. Making Up for a Big Behind

A look at how Speedo's Aqualab team—which includes garment engineers, materials experts, and product developers—created LZR reflects not only how swimsuit design has advanced along with technology but also the cutthroat competition that propels companies to innovate continually. Aqualab started with dozens of hypotheses about how to make a faster suit, including one idea to replicate colors on the body and arms of the suit, to improve hand-eye coordination. This was dropped because swimmers don't see their arms that much in the water. Designers decided to focus on reducing skin friction or hydrodynamic drag—water passing over the body as it moves through the pool. A second area was form-drag: the bumps and curves and muscle oscillations on a swimmer's own body that also hinder progress in the water. That second factor is critical, Rance explains, because "If you have a big chest or a big behind sticking out, you are less hydrodynamic. It's like diving in the water in a big woolly jumper." To reduce hydrodynamic drag, Aqualab began testing some 60 fabrics, with the help of a NASA wind tunnel, before coming up with a model made of extremely fine yarn that is densely woven together. This was slathered with nanomolecular plasma and on top of that, a Teflon-like coating, to make the surface as smooth as possible as well as water-repellent and fast-drying. At the same time, Speedo conducted 3D body scans on 400 elite swimmers to understand shapes and sizing to help pattern makers create a suit. Passing the Water Park Test

Meanwhile, designers addressed the question of form-drag, or how to streamline or change the shape of a swimmer's body. The solution, similar to a tactic used by many performance-enhancing apparel makers, was compression. In this case, designers inserted panels made of laminated polyurethane within the bodysuit at specific points—such as the chest and buttocks—to smooth the body's silhouette like a corset. "This allows a swimmer to hold their body position when they get fatigued over distance," Rance says. To fine-tune the suit, designers decided to bond, rather than sew, the seams using ultrasonic welding to melt the fabric together, further reducing drag, Speedo says. Tests were also conducted on a high-speed flume at New Zealand's University...
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