MEASURE YOUR FEET is the only correct way to choose your size
Please wear socks to measure foot length.
Please do remember to choose right size by measuring the foot length.
STEP 1: Stand up straight on a hard surface with your heel against the wall;
STEP 2: Place your foot on a piece of blank paper taped to the floor;
STEP 3: Mark the longest part of your foot (referred to as heel-to-toe length) on the paper.Repeat with the other foot, as right and left sizes may be different;
STEP 4: Measure the length with a ruler and find out the size at below chart.
Unisex: The size option is for MEN US size, if you wear Women size, please convert your size into (MENS US) size by measuring.