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Tuesday, March 09, 2010

Mercurial Superfly Vapor II: Is it safe?

Nike’s Mercurial Superfly Vapor II football boots include new model technology and according to the manufacturer could minimize injury caused by moving from hard to soft ground. New studs with "Adaptive Traction Technology" act as normal studs on hard ground, but have internal pegs that can extend by up to 3mm in soft ground. The sole contains a flexible carbon fibre plate which remains static on hard surfaces so the studs keep their original shape. On soft ground the plate flexes which pushes out cores of the studs. As the mechanism works a transparent coating on the outside of the sole stretches and contracts allowing the pegs the space to extend and return. The coating also keeps rain, mud, and grass away from the mechanism. The boots with adjustable studs potentially help players negociate different pitch and weather conditions. Traditionally clubs had ‘bootmen,’ usually retired players, who advised teams on the best studs for prevailing conditions. Now the new studs on the Mercurial Superfly Vapor II offer greater flexibility but it is yet to be seen if the number of ankle and foot injuries reduce. The boots, were launched recently by Cristiano Ronaldo.

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