Explaination for women sizes

on the left picture you can see where you have to measure when we ask

a ... head size

b ... amlength: from the collarbone to the middle of the palm

c ... chest measurement

d ... waist measurement

e ... hip measurement: where the hipbones are

f ... pelvis measurement: the middle of your butt

g ... step measurement: from the middle to the heel

h ... leg length: from the hipbone to the bottom

Explaination for guy sizes

on the left picture you can see where you have to meassure when we ask

a ... head size

b ... chest measurement

c ... hip measurement: where the hipbones are

d ... amlength: from the collarbone to the middle of the palm

e ... step measurement: from the middle to the heel

f ... leg length: from the hipbone to the bottom