---
title: "Cumulus Junior 300"
name: "Cumulus Junior 300"
brand: "Cumulus"
description: "A thoughtfully designed children's down sleeping bag that your kids will love."
handle: "cumulus-junior-300"
sku: "CUJU300-L"
canonical_url: "https://gramino.com/p/cumulus-junior-300"
html_url: "/p/cumulus-junior-300"
md_url: "/p/cumulus-junior-300.md"
locale: "en"
market: "eu"
currency: "EUR"
price: 262.9
price_formatted: "€262.90"
availability: "InStock"
item_condition: "NewCondition"
category: "Sleeping bags"
category_path: "/c/spani/sleeping-bags"
breadcrumbs:
  - name: "Home"
    url: "/"
  - name: "Sleep"
    url: "/c/spani"
  - name: "Sleeping bags"
    url: "/c/spani/sleeping-bags"
  - name: "Cumulus Junior 300"
    url: "/p/cumulus-junior-300"
last_updated: "2026-07-05"
---

# Cumulus Junior 300

Brand: Cumulus · Category: [Sleeping bags](/c/spani/sleeping-bags.md)
Sleeping bag size: M · Zip position: Left side · Zipper position: Left

## Offer

- Price: €262.90
- Availability: In stock
- Condition: New
- Buy on the website: [HTML product page](/p/cumulus-junior-300)

## Description

A thoughtfully designed children's down sleeping bag that your kids will love. The sleeping bag is constructed from top-quality materials just like Lite Line 400. The sleeping bag is suitable for a height of 145 cm. Thanks to the drawstring, you can shorten the sleeping bag by another 30 cm, allowing the child to gradually grow into it.

## Specs

- Sleeping bag size: M
- Zip position: Left side
- Zipper position: Left
- Chamber design: H-shaped chambers
- Down-to-feather ratio: 95/5 (feather/down)
- Filling chambers: 55:45
- Total number of chambers: 27
- Extreme temperature: -11 °C
- Season: 3-season
- Comfort temperature: 5 °C
- Limit temperature: 3 °C
- Down weight: 300 g
- Fill power: 850 cuin
- Down type: Goose
- Hydrophobic down: No
- Insulation type: Down
- Material: Pertex Quantum DWR (29 g/m², 15D ripstop nylon), YKK 5 mm zip
- Packed dimensions: 18 × 14 cm
- Maximum user length: 145 cm
- Stuff sack volume: 2.8 l
- Ankle width: 50 cm
- Shoulder width: 65 cm
- Weight: 550 g
- Brand: Cumulus

## Related

- [Cumulus Junior 500](/p/cumulus-junior-500.md)
- [Sea To Summit Ultra-Sil Dry Bag](/p/sea-to-summit-ultra-sil-dry-bag.md)
- [Cumulus Quilt 250](/p/cumulus-quilt-250.md)
- [Sea To Summit Lightweight Dry Bag ](/p/sea-to-summit-lightweight-dry-bag.md)
- [Cumulus Lite Line 400](/p/cumulus-lite-line-400.md)
- [Nikwax Down Wash Direct 300 ml](/p/nikwax-down-wash-direct-300-ml.md)
- [Patizon G400](/p/patizon-g400.md)
- [Liteway Choonie Apex](/p/liteway-choonie-apex.md)

## Shipping and returns

- [Shipping and payment](/docs/doprava-a-platba.md)
- [Returns](/docs/vymena-vraceni.md)

## Images

- ![Cumulus Junior 300](https://media.gramino.com/medusa/a174421dfc8013ee3f7e4e2726f146ea-01KWHVPM7TZS9MV28KSD47XJ8A.webp)
- ![Cumulus Junior 300](https://media.gramino.com/medusa/2189bc312b91f91f8065903b1b75f07d-01KWHVPMBWZ2V95PKVYHA3E7AZ.webp)
- ![Cumulus Junior 300](https://media.gramino.com/medusa/f7ab672b99948ff5c34c7118a8601555-01KWHVPMEAKEYV21HAZZ6YJQD3.webp)
- ![Cumulus Junior 300](https://media.gramino.com/medusa/363fcc0480f90a3881924b8f6d12d0e7-01KWHVPMD70EB9MD77H3HEE5YS.webp)
- ![Cumulus Junior 300](https://media.gramino.com/medusa/6c5947919e1e526a7ab96b4a5518af34-01KWHVPMGRMGXCSMBNHJ3D6TGN.webp)
- ![Cumulus Junior 300](https://media.gramino.com/medusa/b7ffaa9cbde69a386731d573ec04b3fd-01KWHVPMMF99TE8MD087WAC9V5.webp)
- ![Cumulus Junior 300](https://media.gramino.com/medusa/bfe84310b4a3501ab8d4e6b95a3c5816-01KWHVPMMMSKJS92WC1A06SFSM.webp)
- ![Cumulus Junior 300](https://media.gramino.com/medusa/31b8994bd048772a6b285a3e4f1fb2f5-01KWHVPMQJ93QBJ805494F1WKJ.jpg)

## Identifiers

- SKU: CUJU300-L
- Handle: cumulus-junior-300
- Brand: Cumulus

This product is also available as [HTML](/p/cumulus-junior-300).

Category: [Sleeping bags](/c/spani/sleeping-bags.md) · [Sitemap](/sitemap.md)

```json
{
  "@context": "https://schema.org",
  "@type": "Product",
  "name": "Cumulus Junior 300",
  "description": "A thoughtfully designed children's down sleeping bag that your kids will love. The sleeping bag is constructed from top-quality materials just like Lite Line 400. The sleeping bag is suitable for a height of 145 cm. Thanks to the drawstring, you can shorten the sleeping bag by another 30 cm, allowing the child to gradually grow into it.",
  "image": [
    "https://media.gramino.com/medusa/a174421dfc8013ee3f7e4e2726f146ea-01KWHVPM7TZS9MV28KSD47XJ8A.webp",
    "https://media.gramino.com/medusa/2189bc312b91f91f8065903b1b75f07d-01KWHVPMBWZ2V95PKVYHA3E7AZ.webp",
    "https://media.gramino.com/medusa/f7ab672b99948ff5c34c7118a8601555-01KWHVPMEAKEYV21HAZZ6YJQD3.webp",
    "https://media.gramino.com/medusa/363fcc0480f90a3881924b8f6d12d0e7-01KWHVPMD70EB9MD77H3HEE5YS.webp",
    "https://media.gramino.com/medusa/6c5947919e1e526a7ab96b4a5518af34-01KWHVPMGRMGXCSMBNHJ3D6TGN.webp",
    "https://media.gramino.com/medusa/b7ffaa9cbde69a386731d573ec04b3fd-01KWHVPMMF99TE8MD087WAC9V5.webp",
    "https://media.gramino.com/medusa/bfe84310b4a3501ab8d4e6b95a3c5816-01KWHVPMMMSKJS92WC1A06SFSM.webp"
  ],
  "url": "https://gramino.com/p/cumulus-junior-300",
  "dateModified": "2026-07-05",
  "brand": {
    "@type": "Brand",
    "name": "Cumulus"
  },
  "sku": "CUJU300-L",
  "offers": {
    "@type": "Offer",
    "price": "262.9",
    "priceCurrency": "EUR",
    "availability": "https://schema.org/InStock",
    "itemCondition": "https://schema.org/NewCondition"
  }
}
```