Hello! Welcome to our store! Quality is the first with best service. customers all are our friends. Fashion design,100% Brand New,high quality! Function: mesh, breathable, comfortable, light Occasions: sports, outdoors, walking, running, training, travel, mountain climbing. Size Chart : US(6)=EU(38)=240mm(bare feet length) US(6.5)=EU(39)=245mm US(7)=EU(40)=250mm US(8)=EU(41)=255mm US(8.5)=EU(42)=260mm US(9.5)=EU(43)=265mm US(10)=EU(44)=270mm US(11)=EU(45)=275mm US(12)=EU(46)=280mm US(13)=EU(47)=285mm US(14)=EU(48)=290mm Note: Pictures are only samples for reference. Due to limitations in photography and the inevitable differences in monitor settings, the colors shown in the photograph may not correspond 100% to those in the items themselves Plz allow 1-3 cm error because measured by hand, plz refer to the Sizing Chart before choosing. Thank you!Wish you a happy shopping!