Transition from Swaddle: As babies grow and begin to roll, swaddling becomes unsafe. The Sleepy Hugs Extra-Wide Sack allows for a smooth transition from swaddling to free arms without disrupting sleep. Safe Design: This sack is safe for babies who have started to roll onto their tummy during sleep. It provides unrestricted arm movement while still offering security to combat the startle reflex. Hip Dysplasia Brace Compatibility: The extra-wide design of the sack comfortably accommodates babies wearing hip dysplasia braces, pavlik harnesses, rhino braces, or spica casts, ensuring they can sleep comfortably. Cool and Breathable Fabric: Made from soft, light mesh fabric, the 'Cool' range encourages air circulation around your baby, helping to regulate their body temperature and ensure a comfortable sleep environment on warm nights. Ultra-Light Organic Cotton: The sack is crafted from soft and breathable ultra-light organic cotton, maximizing air circulation to keep your baby cool and comfortable throughout the night. Natural Sleeping Position: The sack allows babies to sleep in their natural sleeping position, promoting better sleep quality and comfort. Access to Hands: With access to their hands, babies can self-soothe more easily, promoting better sleep habits and comfort. Enclosed Arms: Fully enclosed arms help prevent scratching, making it suitable for babies with eczema or sensitive skin. Convenient Zipper Design: The full-body length zipper with top zipper cover ensures simple fitting, while the bottom opening zipper allows for easy nappy changes without disturbing your baby's sleep. Size: Suitable for babies aged 3-6 months, this sack is sized to provide a comfortable fit for newborns up to 12 months old. Overall, the Baby Loves Sleep Sleepy Hugs 'Cool' Extra-Wide Sack offers a safe, comfortable, and breathable sleep solution for your baby during warm summer nights, promoting better sleep for both baby and parents.