With the welcome return of the sunny weather and with the promise of more rays to come, Brits across the country have turned their focus to choosing their summer beach wear. Research carried out by eBay.co.uk has found that the popular choice for 2013 is now the classic one-piece as it has been voted the number one swimsuit of choice this summer, with over half (53%*) of us body-conscious Brits opting for the style.