Okamoto Socks Warming your feet, preventing heat from escaping. For serious cold protection... Knee Supporter Made in Japan Okamoto Okamot Hakuraku Beige (skin tone) Free size Warm Wave EX Moisture-absorbing heat generation Warms by absorbing moisture and generating heat. Heat retention Contains air layers within the fibers, making it difficult for heat to escape and maintaining a comfortable temperature. Leg Warmers Okamoto Knee Supporter Thank you.