KYTE BABY Unisex Sleep Bag for Babies and Toddlers, 0.5 Tog, 97% Rayon Made from Bamboo, 3% Spandex

The one that started it all: Our most-loved sleep bag. Silky soft sleepwear that helps baby fall asleep (and stay asleep), so you’re not up all night. Designed to be soothingly warm, diaper-change friendly, and extra gentle on sensitive skin.