The Love to Swaddle UP Lite is the perfect allinone sleepsuit for warm weather. Just like the Swaddle UP Original it has an arms up design for a natural sleeping position, but in a lighter fabric, so it is perfect for the warmer months and holidays. The Love to Dream Swaddle UP range offers a modern twist on traditional swaddling. No loose blankets, no wrapping techniques just a simple allin-one that can be used from birth and has been proven to help babies sleep better and for longer. The Swaddle UP Lite has a clever two way zip for easy nappy changing as well as a seat-belt vent for easy travelling. Have you seen Love to Swaddle UP Original? If your baby can rollover, you might need Swaddle UP 50/50 with removable arms. What size do I need?