US women size measurement as following. Please measure your heel to toe length and choose size according to the following size measurement.
US Size Description 8.86" foot, suggest size: 4.5 US Women
9" foot, suggest size: 5 US Women
9.125" foot, suggest size: 5.5 US Women
9.25" foot, suggest size: 6 US Women
9.375" foot, suggest size: 6.5 US Women
9.5" foot, suggest size: 7 US Women
9.625" foot, suggest size: 7.5 US Women
9.75" foot, suggest size: 8 US Women
9.875" foot, suggest size: 8.5 US Women
10" foot, suggest size: 9 US Women
10.125" foot, suggest size: 9.5 US Women
10.25" foot, suggest size: 10 US Women
10.5" foot, suggest size: 10.5 US Women
The calf boots is made of synthetic, the design of detachable bow with flat studs detail makes it lovely and three ways(without bow or with bow near cuffs or with bow near ankle) to wear.

• Size tips:we suggest you check our detailed size measurements in the following 'Product Description ' part.
• Smooth suede upper,round toe,little hiddened heel
• Durable and slip-resistant rubber outsole
• Detachable bow,studs detail,slip-on style
• Heel height:2.5cm / Shaft height:24cm / Opening circumference:32cm

Size tips:we suggest you check our detailed size measurements in the following 'Product Description ' part.