Free Shipping

Free Returns*

1-Year Guarantee

Functional School Backpack Kalsten

Functional School Backpack Kalsten

Functional School Backpack Kalsten

Functional School Backpack Kalsten

Functional School Backpack Kalsten

Functional School Backpack Kalsten

Functional School Backpack Kalsten

Functional School Backpack Kalsten

Functional School Backpack Kalsten

$103.99

3-Day Express Shipping

Easy 14-Day Returns

Support Mon–Fri

Color

Black

White

Blue

Pink

Product Overview

The Functional Backpack Kalsten is designed for the modern on the go, providing practicality without sacrificing style. This versatile backpack features a spacious main compartment, multiple pockets, and a sleek design that seamlessly transitions from rk to leisure.

Key Features

Spacious main compartment ideal for books, laptops, and personal items
Multiple exterior pockets for easy access to essentials like wallets and keys
Durable construction with high-quality materials for longevity
Padded shoulder straps for enhanced comfort during prolonged use
Stylish design that complements casual and professional outfits
Ideal for everyday use, travel, or as a school backpack

Why Choose Kalsten?

Kalsten stands for quality and innovation, ensuring that each product meets the highest standards of durability and functionality. This Functional Backpack is a testament to our commitment to delivering exceptional accessories that enhance your lifestyle.

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.

[{"id":52129382433089,"title":"Black","option1":"Black","option2":null,"option3":null,"sku":"5264402769137","requires_shipping":true,"taxable":true,"featured_image":{"id":65889113243969,"product_id":10352989831489,"position":1,"created_at":"2026-08-25T08:33:47-04:00","updated_at":"2026-08-25T08:33:49-04:00","alt":null,"width":800,"height":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN01gReHvU1G4Bt1lXZJb__2216684590568-0-cib.jpg?v=1787661229","variant_ids":[52129382433089]},"available":true,"name":"Functional School Backpack Kalsten - Black","public_title":"Black","options":["Black"],"price":10399,"weight":500,"compare_at_price":8599,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":56644533649729,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN01gReHvU1G4Bt1lXZJb__2216684590568-0-cib.jpg?v=1787661229"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":52129382465857,"title":"White","option1":"White","option2":null,"option3":null,"sku":"5264402769140","requires_shipping":true,"taxable":true,"featured_image":{"id":65889113276737,"product_id":10352989831489,"position":2,"created_at":"2026-08-25T08:33:47-04:00","updated_at":"2026-08-25T08:33:49-04:00","alt":null,"width":800,"height":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN01UTaIiG1G4Bt3DbcJT__2216684590568-0-cib.jpg?v=1787661229","variant_ids":[52129382465857]},"available":true,"name":"Functional School Backpack Kalsten - White","public_title":"White","options":["White"],"price":10399,"weight":500,"compare_at_price":8599,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":56644533682497,"position":2,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN01UTaIiG1G4Bt3DbcJT__2216684590568-0-cib.jpg?v=1787661229"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":52129382498625,"title":"Blue","option1":"Blue","option2":null,"option3":null,"sku":"5264402769138","requires_shipping":true,"taxable":true,"featured_image":{"id":65889113309505,"product_id":10352989831489,"position":3,"created_at":"2026-08-25T08:33:47-04:00","updated_at":"2026-08-25T08:33:49-04:00","alt":null,"width":800,"height":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN01OWYvZt1G4Bsz1eq9g__2216684590568-0-cib.jpg?v=1787661229","variant_ids":[52129382498625]},"available":true,"name":"Functional School Backpack Kalsten - Blue","public_title":"Blue","options":["Blue"],"price":10399,"weight":500,"compare_at_price":8599,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":56644533715265,"position":3,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN01OWYvZt1G4Bsz1eq9g__2216684590568-0-cib.jpg?v=1787661229"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":52129382531393,"title":"Pink","option1":"Pink","option2":null,"option3":null,"sku":"5264402769139","requires_shipping":true,"taxable":true,"featured_image":{"id":65889113342273,"product_id":10352989831489,"position":4,"created_at":"2026-08-25T08:33:47-04:00","updated_at":"2026-08-25T08:33:49-04:00","alt":null,"width":800,"height":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN01qZVtC81G4Bt3DbTyq__2216684590568-0-cib.jpg?v=1787661229","variant_ids":[52129382531393]},"available":true,"name":"Functional School Backpack Kalsten - Pink","public_title":"Pink","options":["Pink"],"price":10399,"weight":500,"compare_at_price":8599,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":56644533748033,"position":4,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN01qZVtC81G4Bt3DbTyq__2216684590568-0-cib.jpg?v=1787661229"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}]

You may also like

Functional School Backpack Kalsten