Socks Supplement Marude Kotatsu Oyasumi Switch Lavender These lavender socks feature an Oyasumi Switch (Sleep Switch) that warms key points on your feet, promoting relaxation. I use a different color, and because the toes are open, I can wear them to bed even under the covers. They keep you warm and toasty in the cold winter. Please try them at an affordable price. - Product Name: Okamoto Socks Supplement Marude Kotatsu Oyasumi Switch - Color: Lavender - Function: Warmth, Relaxation - Features: Warms key points on the feet Size: 22 to 25 cm Made in Japan Suggested Retail Price: 3498 yen (tax included)