Great Athletic Shoe By Vibram FiveFingers,M3704,Stitch-Free Footbed,Hook-and-Loop Closures Both At Instep And Heel,Barefoot Style Allows More Contact With The Ground AS you Move,Great For The Outdoor Enthusiast,These Are NOT in European Sizing,Size Conversion Is Based On Inches: 40=10 1/4", 41=10 1/2", 42=10 3/4", 43=11", 44=11 1/4", 45=11 1/2", 46=11 3/4", 47=12"