Yoofoss Baby Sleep Sack 12-18M, 1.5 Tog, GOTS Organic Cotton | 2-Way Zipper

Soft, breathable comfort that grows with your baby

The Yoofoss Sleep Sack for babies aged 12–18 months combines 100% organic cotton layers with a soft polyester fill. The result is a gentle, breathable surface that stays comfortable through sleep transitions. GOTS certification signals a transparent approach to materials and production while maintaining a kinder footprint. The smooth interior minimizes friction and helps your little one settle in for the night with a calm, cozy feel.

Warmth, safety and movement for real nights

With a 1.5 tog rating, this sleep sack suits moderate temperatures around 69-73°F. It serves well as an autumn to spring layering option or a cozy nap solution in air-conditioned spaces during summer. The bell-shaped bottom creates a roomy seat for the hips, encouraging natural movement, while the sleeveless cut helps regulate warmth and prevents overheating.

• 1.5 tog warmth covers moderate temps without feeling heavy
• 4-season versatility adapts to room conditions and seasons
• Plain-knit 100% organic cotton outer layers backed by soft polyester filling
• GOTS-certified textiles reflect careful sourcing and responsible manufacturing
• Roomy bell-bottom cut supports leg movement and hip development
• Sleeveless design improves mobility and air circulation
• 2-way zipper enables effortless diaper changes without waking your baby
• Zipper garage protects the face from contact during zipping
• Machine-washable and designed to resist fading with proper care
• Shrinkage under 3% after washing and drying on low heat

Designed for busy families

Durable construction and practical details help you manage nightly routines with fewer steps. The top-grade double zipper opens from the bottom, allowing quick diaper changes. A dedicated zipper garage keeps fabric away from your baby's face, while the system remains gentle on the skin and long-lasting through hundreds of washes.

• Four sizes available: S (0–6 mo), M (6–12 mo), L (12–18 mo), XL (18–24 mo)
• Accurate sizing guidance helps you pick a fit by weight and length
• GOTS organic cotton offers a soft, skin-friendly touch
• Quality stitching supports longevity and repeated washing

Care, fit and everyday use

For best results, select the size by weight and length as a guide. The sleep sack is machine washable; follow care instructions to keep softness and color. Dry on low heat to minimize shrinkage. The breathable, loose-fit design helps your baby rest comfortably night after night.