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About Us


Cotosen® is an international clothing e-commerce company that focuses on providing tops, pants, accessories, shoes, bags and other items for tactics and outdoor sports around the world.


The brand was founded in September 2020 and has always been based on the concept of "Life is an adventure" to provide professional protection. Combining function with fashion, convenience and comfort.


We Ship to over 100 countries, providing a wide range of high-performance clothing, equipment and footwear. We break the boundaries of innovation so that you can break through the boundaries of exploration.


We are proud to be the good choice for climbers, extreme skiers, snowboarders, endurance runners and explorers in the world.We will be unswervingly committed to pushing the limits of design so that you can challenge the limits outdoors; never stop exploring.


We value quality and all products are manufactured by machines that emphasize precision and attention to detail and style.



Logistics transportation

After our products are specially designed and carefully packaged, they are loaded onto a cargo plane for a speedy transcontinental voyage to you.


Our service

Free shipping within 8-12 working days for orders over $109

30-day return policy

E-mail:[email protected]



Contact us

Company Name: SUNJOY TECHNOLOGY (HONGKONG)LIMITED

Company Address: FLAT/RM 1405A 14/F THE BELGIAN BANK BUILDING NOS 721-725 NATHAN ROAD MONGKOK

Business Days: Mon-Friday 9am-6pm

E-mail: [email protected]

International Hotline: +852 5627 2583 (All Customers, Service in English Only)