i-baby Outlast® Baby Sleep Sack with 2-Way Detachable Sleeves, Unisex Toddler Sleeping Bag with Smart Temperature Regulation, Growth-Friendly Baby Wearable Blanket with Legs for Infants, 3-4T

Product Information

About this item

• 55% Cotton, 45% Viscose (Outlast)
• Imported
• 【🌡️Smart Temperature Control – No Sweating, All Night Comfort】Powered by advanced Outlast technology (originally developed for NASA), this walker sleep sack actively absorbs, stores, and releases heat. It keeps your baby cool when it’s warm and cozy when it’s cool—eliminating night sweats and chills. Say goodbye to frequent wake-ups and hello to deeper, longer sleep - and so will you!
• 【🔄2-in-1 Convertible Sleeves Design – Perfect for Spring & Summer】Easily switch between long/short sleeves with the removable design. Whether it’s a breezy spring night or an air-conditioned summer room, this sleeping bag adapts instantly—one piece for multiple seasons, no need to buy more
• 【☁️Soft & Breathable – Gentle on Sensitive Skin】Made with a skin-friendly blend of 55% cotton and 45% viscose lining, it feels silky smooth against your baby’s delicate skin. Highly breathable and moisture-wicking, which will keep your little one dry, fresh, and comfortable—even for sensitive skin
• 【👶 Freedom to Move – Designed for Play & Sleep】The roomy, ergonomic legs design allows natural movement and supports healthy hip development. Perfect for active babies and toddlers who love to kick, crawl, and explore. Featuring a smooth 2-way zipper for quick diaper changes and a protective zipper guard to prevent scratches and protect delicate skin
• 【🧼 Easy Care & Multiple Sizes for Perfect Fit】We get it—moms need durability. Crafted with high-quality materials that stay soft wash after wash. Machine washable for busy parents. Available in 4 sizes: S (9–12M), M (12–24M), L (2–3T), XL (3–4T). Please choose the ideal fit based on your baby’s height and weight using the size chart
• 💡 Since every baby grows at their own pace, we recommend measuring your baby’s height and weight before purchasing, and then selecting the right size sleep sack based on those measurements (age recommendations are for reference only). If you have any questions before or after your purchase, our team is always happy to help. Thank you for choosing i-baby for your little one’s cozy sleep journey