• Soft & Breathable • Wearable Blanket • Safely tuck your little one in • Perfect for summertime temps • Designed to be worn over sleepwear • Breathable sleep sack allows for free movement • Covered zipper tab and extra softness developing with every wash • Bottom-to-top zipper for easy putting on • Made with 2 layers of breathable, 100% cotton muslin • Covered tab zipper, closing from bottom to top • Sizing: 6-12 months (26″-29.5″), 12-18 months (29.5″-34.5″) • Tog rating: 1.0, for nursery temperatures between 68°F and 75°F • Machine washable for easy care • Gets softer with each wash