asis gel-lyteV size always runs 1/2 bigger. thats describe at asics sizechart official site. thats why i bought 11US for 28.5 cm and they are fit perfect. its a one of the most comportable, lite and gourgeous pair of sneakers i`ve ever had. and they are made perfect, super quality of materials: nubuŃk, suede. but i think puma r698 trinomic has more springy soles