Please note these are sold by lululemon without box, so its brand new but there is no box. The Lululemon Men's Restfeel Slide in size UK 11.5 EU 47 Fit and Feel The Restfeel Slide comes in half sizes only—this is called blended sizing. If you normally wear a full shoe size, we’d recommend choosing the half-size down. If you normally wear a half size, select your usual size. Dual-density midsole offers maximum comfort and support for your most relaxed feeling yet Product Features Upper strap keeps your foot in place and provides a plush feel Dual-density midsole creates an optimal balance of cushion and support Outsole features heel-to-toe rubber for enhanced traction