These heated socks use a mall yarn that keeps you warm with just the wind, and feature a design that wraps around the ankles. - Product Name: Heated Socks - Size: 23-25cm - Temperature Increase: +3.6℃ - Material: Mall Yarn - Features: Warm with just the wind - Design Focus: Design that firmly wraps the ankles 【Important】 The price includes shipping, so we are unable to negotiate the price. Thank you for your understanding. Thank you for viewing.