Bedtime Basics › Bamboo Highland Cow Sleep Sack Image 1 of 1 Bamboo Highland Cow Sleep Sack $52.00 • 1.0 TOG suitable for 69-73 degrees Fahrenheit Size: 0-6M 6-18M Get notified by email when this product is in stock. Add To Cart Added! • 1.0 TOG suitable for 69-73 degrees Fahrenheit