Unisex insulated cooler backpack with large main compartment, front pocket, and silky thermal insulation Kalsten
Practical Insulated Cool Backpack by Kalsten for On the Go
The Kalsten cool backpack combines modern design with high functionality and is ideal for picnics, shopping, beach days, or as a companion for work and leisure. Thanks to durable exterior materials and high-quality thermal insulation, it reliably keeps food and drinks cool or warm.
Main Features
- Efficient thermal insulation: Multi-layer insulating inner lining ensures long-lasting temperature retention.
- Large main compartment: Spacious interior volume for drinks, cans, and packaged food; flexibly partitionable for various needs.
- Practical front and side pockets: Extra storage space for cutlery, napkins, phones, and bottles with secure access.
- Carrying comfort: Padded, adjustable shoulder straps and sturdy handle for comfortable carrying even over longer distances.
- Durable and easy to clean: Outer fabric is robust, and the interior can be easily wiped down.
- Secure zipper: Sturdy zippers protect the contents from leaking and ensure quick access.
- Versatile use: Perfect for outdoor activities, family outings, deliveries, and as a mobile cooler substitute.
Advantages at a Glance
- Keeps food fresh longer and temperatures stable
- Organized storage through multiple compartments
- Comfortable back and shoulder area for ergonomic carrying
- Easy care and high everyday usability
Who It Is Suitable For
This unisex backpack by Kalsten is aimed at everyone who wants to transport reliably cooled food and drinks on the go — ideal for families, professionals, outdoor enthusiasts, and anyone who appreciates practical comfort.
Product Care
Wipe the inside with a damp cloth and let the backpack dry open. Stains on the outer material can be removed with a mild cleaning agent.
Free standard shipping on all orders. No minimum purchase.
- Ships to: United States
- Processing: 1–4 business days (Mon–Fri)
- Transit: 5–10 business days
- Total delivery time: 6–14 business days
- Order cut-off: 5:00 PM PST
You will receive a tracking number by email once your order ships. Please allow up to 48 hours for tracking to update.
See our full Shipping Policy.
You have 14 days from delivery to request a return.
- Email support@open.shop with your order number to start a return.
- Items must be unused, complete, and in their original packaging.
- Return label: flat $9.99 USD, deducted from your refund — nothing to pay upfront.
- Damaged, defective or incorrect items: we cover all return and replacement costs.
- No restocking fees.
- Exchanges: contact us and mention "exchange" — the new item ships once your return arrives.
- Refunds are issued within 7 business days of inspection.
See our full Return Policy.
Questions about your order or our products? We're happy to help.
Open
Hooizolder 214
Drachten Friesland 9205CD
Netherlands
Email: support@open.shop
Customer Service:
Monday to Friday, 8:00 AM – 6:00 PM PST (excluding public holidays)
We reply to all messages within 24 hours on business days. Weekend messages are answered on Monday.
For quick answers, visit our FAQ page or use our Contact Form.