Yoga Sprout fleece long-sleeve sleeping bag is a warm, cozy wearable blanket for your little one. Our wearable blanket will keep your little one secure and comfortable through the night for a perfect restful night. Yoga Sprout Baby Boy Long-Sleeve Fleece Sleeping Bag, Sack, Blanket, Bear is the perfect addition to your little one's nursery. Our sleep sacks, wearable blankets and sleeping bags are always intended to be worn over children's sleepwear.