Final sale. No exchange or refund on this product. Thank you the love to layer on merino by love to dream is made from 100% australian merino wool. It is perfect for the cooler months, as it keeps baby warm without the danger of tangling in multi-layered blankets, and may help reduce the risk of over-heating. The merino’s superior insulation and breathability ensures a comfortable nights sleep, and unlike synthetic materials, it is naturally moisture wicking and anti-bacterial. It is designed to be worn over the swaddle up original, so your baby will stay swaddled, thus assisting with a more soothing, and consistent nights sleep, and the love to layer on can actually enhance swaddling. Perfect for chilly nights, ease of sleep, and easy to put on and take off and from a brand you trust, and know works!