How do I select my size? 1.Measuring your foot length. Make sure you're standing on a flat surface. Trace the outline of your feet on a piece of paper. Keep your writing utensil as perpendicular to the paper as possible so you get the most exact measurements. Once your feet are traced, use a ruler to measure from your heel to the tip of your longest toe. 2.Then use this shoe size chart to convert the length of your feet to a U.S. shoe size. Fox example: If you choose US10. We will send size 44. It comes with 27 cm insole length If you feet are fat, you may choose the bigger one Men's International Shoes Size Chart Foot length range=Shoes outside=Size US=Size UK=Size EUR 23.1~23.5cm(9.09~9.28inch)=23.0cm(=9.09inch)=5=3=37 23.6~24cm(9.29~9.45inch)=23.5cm(=9.25inch)=6=4=38 24.1~24.5cm(9.49~9.65inch)=24.1cm(=9.5inch)=6.5=4.5=39 24.6~25cm(9.69~9.84inch)=24.4cm(=9.625inch)=7=5=40 25.1~25.5cm(9.88~10.04inch)=25.4cm(=9.9375inch)=8=6=41 25.6~26cm(10.08~10.24inch)=26cm(=10.24inch)=8.5=6.5=42 26.1~26.5cm(10.28~10.43inch)=26.5cm(=10.43inch)=9.5=7.5 =43 26.6~27cm(10.47~10.63inch)=27cm(=10.63inch)=10=8=44 27.1~27.5cm(10.67~10.83inch)=27.5cm(=10.83inch)=11=9=45 27.6~28cm(10.87~11.02inch)=28cm(=11.02inch)=12=10=46 28.1~28.5cm(11.06~11.22inch)=28.5cm(=11.22inch)=12.5=10.5=47 28.6~29cm(11.22~11.38inch)=29cm(=11.38inch)=13=11=48 29.1~29.5cm(11.38~11.54inch)=29.5cm(=11.54inch)=14=12=49 Allow 2~3mm differs Boot Height: Ankle Upper Material: Canvas Boot Type: Basic Toe Shape: Round Toe Insole Material: Fabric Outsole Material: Rubber Lining Material: Canvas Shaft Material: Canvas Closure Type: Lace-Up Fashion Element: Sewing Season: Spring/Autumn Pattern Type: Solid is_handmade: Yes Fit: Fits true to size, take your normal size Heel Height: Med (3cm-5cm) Department Name: Adult Item Type: Boots Size: 39,40,41,42,43,44