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A rider pulls up her novelty 'Frosties' socks before competing in the Elite Women's Championship on the second day of the 2017 British Cycling National Cyclo-Cross Championships in Peel Park , Bradford, northern England on January 8, 2017. The sport of cyclo-cross, featuring lightweight bikes with off-road tyres, has dramatically increased in popularity over the past few years. / AFP / OLI SCARFF (Photo credit should read OLI SCARFF/AFP/Getty Images)

A rider pulls up her novelty 'Frosties' socks before competing in the Elite Women's Championship on the second day of the 2017 British Cycling National Cyclo-Cross Championships in Peel Park , Bradford, northern England on January 8, 2017. 
The sport of cyclo-cross, featuring lightweight bikes with off-road tyres, has dramatically increased in popularity over the past few years.  / AFP / OLI SCARFF        (Photo credit should read OLI SCARFF/AFP/Getty Images)