Women Size Chart(Unit:inch):
Size S:
US size 4-6, Chest: 34-35", Waist: 26-27", Hip: 36.5-37.5"
Size M:
US size 8-10, Chest: 36-37", Waist: 28-29", Hip: 38.5-39.5"
Size L:
US size 12-14, Chest: 38.5-40", Waist: 30.5-32", Hip: 41-42.5"
Size XL:
US size 16-18, Chest: 41.5-43", Waist: 33.5-35", Hip: 44-45.5"

Men Size Chart:
Size M:
Waist circumference: 33.07", Waist Stretch: 42.51", Length: 18.5"
Size L:
Waist circumference: 34.64", Waist Stretch: 44.09", Length: 18.89"
Size XL:
Waist circumference: 36.22", Waist Stretch: 45.66", Length: 19.29"
Size 2XL:
Waist circumference: 37.79", Waist Stretch: 47.24", Length: 19.68"