The Tommee Tippee Sleepbag 18-36m 0.2Tog - Grey Marl gives your little one the freedom to walk, jump and play whilst also keeping them cosy all night long. You can choose to have feet in or out with the Steppeebag. The comfy foot covers which tuck feet in have grippy soles to keep your little one from slipping and sliding as they leap out of bed. Tommee Tippee Sleepbags have been designed to be snug up top and wriggly down below - slim fitting through the chest to enable full freedom of movement without restriction or excess bulk with a roomy, hip-healthy bottom to allow your baby to adopt a natural "frog-legged" sleeping position, which is important for correct hip development. Features: 100% cotton: Soft, cotton-rich fabric – made for comfort, Tommee Tippee Sleepbags are designed using touchably soft, fluorescent-free, 100% cotton fabric that is snuggly and kind on baby’s skin. Perfect for a comfortable night’s sleep. Easy nappy changes: The easy zip opening is perfect