Note, the thermometer is not included with this product. Our baby Arm Warmers are a bolero style jacket, designed to be used over the top of any arms-out sleeping Swaddle, Sleeping Bag, Sleep Suit or Sleep Onesie. If your baby is wearing a sleeveless sleeping bag, you may notice their arms feeling c...

We may earn a commission when you click through to a retailer such as eBay or Amazon. This never affects the price you pay.