




Free standard shipping across the UK, with no minimum spend.
Free standard UK shipping on all orders. Orders are typically processed in 1–3 business days. The shipping policy estimates most UK deliveries at 5–10 business days; timings are estimates.
Tracking is provided where available. Read our shipping policy for details.
You can request a return within 30 days of receiving your order. Items must be unused, in their original condition and packaging. Hygiene and other exceptions apply.
Please contact us before sending anything back. See our returns and refunds policy for the full terms.
Deliveries to United Kingdom’s outer and remote regions may experience seasonal delays caused by severe weather or limited carrier availability. We appreciate your patience and recommend allowing additional time for your order to arrive safely.
The Mosebears Sleep Sack blends a soft outer layer with gentle interior insulation to offer a comforting cocoon on cooler nights. Its sleeveless design and breathable materials help keep little ones warm without overheating, while reducing the need for loose blankets.
With a 2.5 TOG rating, this winter-ready sleep sack is best used in room temperatures below 70°F. It surrounds the baby with a warm pocket of air, creating a stable microclimate that supports calmer, more restful sleep possibilities for curious newborns and young infants.
Follow care instructions to preserve softness and warmth; refer to the size chart for the best fit as babies grow.
Q: What ages is the Mosebears Sleep Sack designed for?
A: Available in multiple sizes to suit newborns through 24 months; check the label for weight guidance.
Q: How should I care for the Mosebears Sleep Sack?
A: Machine wash with like colors and tumble dry on low; zipper guards protect baby's skin.
Shipping (UK)
Returns & Refunds
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