Functional Lightweight Sports Backpack Kalsten

Name: Functional Lightweight Sports Backpack Kalsten
Brand: Kalsten
SKU: 6110688748704
Price: 36.99 USD
Availability: InStock

$36.99 $73.99 SAVE $37.00 (50% OFF)

3-Day Express Shipping

Easy 14-Day Returns

Support Mon–Fri

Product Overview

Introducing the Functional Lightweight Sports Backpack by Kalsten, designed for athletes and active individuals who need a reliable and stylish carrying solution. Perfect for workouts, travel, or everyday use, this backpack combines functionality with contemporary design.

Features

Durable Material: Constructed from high-quality, water-resistant fabric for long-lasting use.
Spacious Compartment: Features a large main compartment to comfortably fit sports gear, books, or daily essentials.
Multiple Pockets: Includes additional zippered pockets for secure storage of smaller items like keys and electronics.
Ergonomic Design: Equipped with padded adjustable shoulder straps for enhanced comfort and easy carrying.
Stylish Look: Modern aesthetics with a sleek design, suitable for both sports and casual settings.

Why Choose Kalsten?

Kalsten is committed to crafting high-quality products that meet the needs of active lifestyles. Our Functional Lightweight Sports Backpack is not just a bag; it’s a versatile companion for your journeys, helping you stay organized while expressing your personal style.

Perfect for Everyone

Whether you're headed to the gym, a weekend getaway, or simply navigating daily life, this stylish and functional backpack is the perfect choice for anyone looking for reliability and chic design in one.

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":52132308713793,"title":"Gray \/ Size: One Size Fits All","option1":"Gray","option2":"Size: One Size Fits All","option3":null,"sku":"6110688748704","requires_shipping":true,"taxable":true,"featured_image":{"id":65893458772289,"product_id":10353549148481,"position":3,"created_at":"2026-08-25T10:21:32-04:00","updated_at":"2026-08-25T10:21:34-04:00","alt":null,"width":800,"height":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN017ZEXI728HSqMcTPdx__2216559707907-0-cib.jpg?v=1787667694","variant_ids":[52132308713793]},"available":true,"name":"Functional Lightweight Sports Backpack Kalsten - Gray \/ Size: One Size Fits All","public_title":"Gray \/ Size: One Size Fits All","options":["Gray","Size: One Size Fits All"],"price":3699,"weight":500,"compare_at_price":7399,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":56648863416641,"position":3,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN017ZEXI728HSqMcTPdx__2216559707907-0-cib.jpg?v=1787667694"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":52132308746561,"title":"Purple \/ Size: One Size Fits All","option1":"Purple","option2":"Size: One Size Fits All","option3":null,"sku":"6110688748702","requires_shipping":true,"taxable":true,"featured_image":{"id":65893458739521,"product_id":10353549148481,"position":2,"created_at":"2026-08-25T10:21:32-04:00","updated_at":"2026-08-25T10:21:34-04:00","alt":null,"width":800,"height":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN01PGSebI28HSqM6myt6__2216559707907-0-cib.jpg?v=1787667694","variant_ids":[52132308746561]},"available":true,"name":"Functional Lightweight Sports Backpack Kalsten - Purple \/ Size: One Size Fits All","public_title":"Purple \/ Size: One Size Fits All","options":["Purple","Size: One Size Fits All"],"price":3699,"weight":500,"compare_at_price":7399,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":56648863383873,"position":2,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN01PGSebI28HSqM6myt6__2216559707907-0-cib.jpg?v=1787667694"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":52132308779329,"title":"Pink \/ Size: One Size Fits All","option1":"Pink","option2":"Size: One Size Fits All","option3":null,"sku":"6110688748701","requires_shipping":true,"taxable":true,"featured_image":{"id":65893458837825,"product_id":10353549148481,"position":5,"created_at":"2026-08-25T10:21:32-04:00","updated_at":"2026-08-25T10:21:34-04:00","alt":null,"width":800,"height":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN01h2mLSE28HSqLuB4Z5__2216559707907-0-cib.jpg?v=1787667694","variant_ids":[52132308779329]},"available":true,"name":"Functional Lightweight Sports Backpack Kalsten - Pink \/ Size: One Size Fits All","public_title":"Pink \/ Size: One Size Fits All","options":["Pink","Size: One Size Fits All"],"price":3699,"weight":500,"compare_at_price":7399,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":56648863482177,"position":5,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN01h2mLSE28HSqLuB4Z5__2216559707907-0-cib.jpg?v=1787667694"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":52132308812097,"title":"Khaki \/ Size: One Size Fits All","option1":"Khaki","option2":"Size: One Size Fits All","option3":null,"sku":"6110688748703","requires_shipping":true,"taxable":true,"featured_image":{"id":65893458870593,"product_id":10353549148481,"position":6,"created_at":"2026-08-25T10:21:32-04:00","updated_at":"2026-08-25T10:21:34-04:00","alt":null,"width":800,"height":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN01AVP09g28HSqM6m6tG__2216559707907-0-cib.jpg?v=1787667694","variant_ids":[52132308812097]},"available":true,"name":"Functional Lightweight Sports Backpack Kalsten - Khaki \/ Size: One Size Fits All","public_title":"Khaki \/ Size: One Size Fits All","options":["Khaki","Size: One Size Fits All"],"price":3699,"weight":500,"compare_at_price":7399,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":56648863514945,"position":6,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN01AVP09g28HSqM6m6tG__2216559707907-0-cib.jpg?v=1787667694"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":52132308844865,"title":"Black \/ Size: One Size Fits All","option1":"Black","option2":"Size: One Size Fits All","option3":null,"sku":"6110688748705","requires_shipping":true,"taxable":true,"featured_image":{"id":65893458805057,"product_id":10353549148481,"position":4,"created_at":"2026-08-25T10:21:32-04:00","updated_at":"2026-08-25T10:21:34-04:00","alt":null,"width":800,"height":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN01sNVwNR28HSqMGpxKx__2216559707907-0-cib.jpg?v=1787667694","variant_ids":[52132308844865]},"available":true,"name":"Functional Lightweight Sports Backpack Kalsten - Black \/ Size: One Size Fits All","public_title":"Black \/ Size: One Size Fits All","options":["Black","Size: One Size Fits All"],"price":3699,"weight":500,"compare_at_price":7399,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":56648863449409,"position":4,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN01sNVwNR28HSqMGpxKx__2216559707907-0-cib.jpg?v=1787667694"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}]

{"id":52132308713793,"title":"Gray \/ Size: One Size Fits All","option1":"Gray","option2":"Size: One Size Fits All","option3":null,"sku":"6110688748704","requires_shipping":true,"taxable":true,"featured_image":{"id":65893458772289,"product_id":10353549148481,"position":3,"created_at":"2026-08-25T10:21:32-04:00","updated_at":"2026-08-25T10:21:34-04:00","alt":null,"width":800,"height":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN017ZEXI728HSqMcTPdx__2216559707907-0-cib.jpg?v=1787667694","variant_ids":[52132308713793]},"available":true,"name":"Functional Lightweight Sports Backpack Kalsten - Gray \/ Size: One Size Fits All","public_title":"Gray \/ Size: One Size Fits All","options":["Gray","Size: One Size Fits All"],"price":3699,"weight":500,"compare_at_price":7399,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":56648863416641,"position":3,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/open.shop\/cdn\/shop\/files\/O1CN017ZEXI728HSqMcTPdx__2216559707907-0-cib.jpg?v=1787667694"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}