---
product_id: 429032092
title: "Woolino 4 Season Baby Sleeping Sack, Australian Merino Wool, Adjustable 2-24 Months Size Fits Infants & Toddlers"
brand: "woolino"
price: "¥77517"
currency: JPY
in_stock: false
category: "Woolino"
url: https://www.desertcart.jp/products/429032092-woolino-4-season-baby-sleeping-sack-australian-merino-wool-adjustable
store_origin: JP
region: Japan
---

# 100% Australian Merino Wool lining Adjustable size fits 2-24 months 4-season temperature regulation Woolino 4 Season Baby Sleeping Sack, Australian Merino Wool, Adjustable 2-24 Months Size Fits Infants & Toddlers

**Brand:** woolino
**Price:** ¥77517
**Availability:** ❌ Out of Stock

## Summary

> 🐑 Sleep smarter, not harder – the only baby sleep sack you’ll ever need!

## Quick Answers

- **What is this?** Woolino 4 Season Baby Sleeping Sack, Australian Merino Wool, Adjustable 2-24 Months Size Fits Infants & Toddlers by woolino
- **How much does it cost?** ¥77517 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/429032092-woolino-4-season-baby-sleeping-sack-australian-merino-wool-adjustable)

## Best For

- woolino enthusiasts

## Why This Product

- Trusted woolino brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **All-Year Comfort:** Designed for 4-season use, keeping your little one cozy in winter and cool in summer.
- • **Sleep Like a Pro:** Premium merino wool lining ensures natural temperature regulation for uninterrupted baby sleep.
- • **Grow-With-Me Design:** Adjustable snaps and zippers adapt from infant to toddler, eliminating the need for multiple sleep sacks.
- • **Award-Winning Quality:** Backed by top industry awards and a leading warranty, with US-based customer support.
- • **Parent-Approved Convenience:** Two-way zipper and closable seat-belt slots make diaper changes and transfers effortless.

## Overview

The Woolino 4 Season Baby Sleeping Sack features a 100% Australian Merino Wool lining and GOTS certified organic cotton outer, offering natural temperature regulation and hypoallergenic comfort. Adjustable from 2 months to 2 years, it supports all seasons with versatile snaps and zippers for easy use and growth. Recognized with multiple awards and backed by a US-based warranty and customer service, it’s the top-rated sleep solution for infants and toddlers.

## Description

Baby Sleep Bag Sack, Australian Merino Wool Sleeping Sack 2-24 Months, 4 Season Wearable Blanket Gown Fits Infant & Toddler : desertcart.in: Baby Products

## Features

- #1 RATED and #1 SELLING merino wool baby sleep bag in US and Canada since 2010. Creative Child's 2018 Top Choice of the Year Award & winner of Mom's Choice Award.
- REDUCE OR ELIMINATE SLEEPLESS NIGHTS - When baby sleeps better, so do parents. Premium fabrics for best comfort: Australian merino wool lining - 100% natural, luxuriously soft, hypoallergenic and temperature regulating. GOTS certified organic cotton outer.
- THE ONE AND ONLY baby sleeping bag your baby will need until they turn two. Universal size: 2 months – 2 years. Optimal weight merino wool regulates body temperature so it can be used in all 4 seasons.
- MAXIMUM VERSATILITY - double shoulder snaps and two-way zipper system for easy dressing and diaper changes; Closable seat-belt slots for easy transfer between stroller, bouncer, crib, etc. Under-arm snaps allow this wearable blanket to grow with your baby and make it the perfect swaddle transition product.
- HIGH QUALITY product, backed by an industry leading warranty, from a US company with US customer service.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07FNB81PH |
| Additional product features | Adjustable |
| Batteries required | No |
| Best Sellers Rank | #27,150 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #309 in Baby Boy's Clothing #422 in Baby Girls' Clothing |
| Care instructions | Machine Wash |
| Customer Reviews | 4.7 4.7 out of 5 stars (4,100) |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.34 pounds |
| Item model number | BabySSNightSkyFBA |
| Material Composition | Merino Wool Lining |
| Material Type | 100% Merino Wool Lining / 100% Organic Cotton Outer |
| Package Dimensions | 12.76 x 10.16 x 2.28 inches |
| Style | Transitional |
| Target gender | Unisex |

## Images

![Woolino 4 Season Baby Sleeping Sack, Australian Merino Wool, Adjustable 2-24 Months Size Fits Infants & Toddlers - Image 1](https://m.media-amazon.com/images/I/41Jxy5op13L.jpg)
![Woolino 4 Season Baby Sleeping Sack, Australian Merino Wool, Adjustable 2-24 Months Size Fits Infants & Toddlers - Image 2](https://m.media-amazon.com/images/I/41Z4xddC8jL.jpg)
![Woolino 4 Season Baby Sleeping Sack, Australian Merino Wool, Adjustable 2-24 Months Size Fits Infants & Toddlers - Image 3](https://m.media-amazon.com/images/I/51+j2VN0FpL.jpg)
![Woolino 4 Season Baby Sleeping Sack, Australian Merino Wool, Adjustable 2-24 Months Size Fits Infants & Toddlers - Image 4](https://m.media-amazon.com/images/I/51-iUCEDW4L.jpg)
![Woolino 4 Season Baby Sleeping Sack, Australian Merino Wool, Adjustable 2-24 Months Size Fits Infants & Toddlers - Image 5](https://m.media-amazon.com/images/I/5199OXU3ZAL.jpg)

## Frequently Bought Together

- Woolino 4 Season Ultimate Baby Sleeping Bag - Merino Wool and Organic Cotton - Universal Size Adjustable Sleep Sack for Baby - Two-Way Zipper Sleeping Bag (2-24 Months) - Night Sky
- KYTE BABY Unisex Rayon Sleeping Bag for Babies and Toddlers, 1.0 Tog

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**Shop now:** [https://www.desertcart.jp/products/429032092-woolino-4-season-baby-sleeping-sack-australian-merino-wool-adjustable](https://www.desertcart.jp/products/429032092-woolino-4-season-baby-sleeping-sack-australian-merino-wool-adjustable)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-26*