We make fantastic things happen

Learn about our history

Lethe is a technological & clothing company established by the young Polish entrepreneur Jakub Chmielniak in 2011. The aim of Lethe has always been to bring joy to people around the world by designing and manufacturing all-over printed clothes under the brand name Mr. Gugu & Miss Go. In 2014, Lethe launched a platform for arists called Live Heroes. Following that, in 2015, Carpatree, sports brand, started to support fitness passionates around the world.

Every day we become stronger

Figures do not lie

Number of employees
Number of produced clothes
Number of business partners
Number of designs

Responsible business


Lethe was created from commitment. This is also the principle that we follow in doing business. We are absolutely faithful to the business culture standards that we have developed.

At every stage of activity, our brand is based on four pillars: people, production, communication and natural environment. We pay equal attention to each of them to be a better company for our customers, employees and ourselves. Simply and straightforwardly.

Join us and design joy around the world



Marketing Department Member – different foreign languages

Bielsko-Biała, Poland

We are looking for a marketing department member – scope of responsibilities: searching via portals and browsers and establishing co-operation with artists around the world.

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Sales Specialist – English language

Bielsko-Biała, Poland

We are looking for a sales specialist with the following scope of responsibilities: foreign markets penetration and wholesale customer service.

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Graphic Artist

Bielsko-Biała, Poland

We are looking for a graphic artist in a team taking care of projects for the largest brands. We are looking for an open-minded and creative person who can easily move between different styles.

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PHP Programmer/Front-End/Back-End Developer

Bielsko-Biała, Poland

We are looking for a front end or back end developer. We prefer long-lasting co-operation based on creative use of potential of the leading brand of Mr.Gugu & Miss Go, Live Heroes, Carpatree, and new projects carried out in Lethe.

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Read opinions of our specialists and see the backstage of the company

Our blog

5 free tools that will make every Web Designer’s job easier

Are you starting work on a new project? Great! Here are 5 free tools that will help you create something amazing. 1. Coolors Extremely convenient tool designed for creating, ...

How are some of the most interesting clothes in the world made?

It is hard to imagine a clothing company without a robust production department. This is where the magic begins. Starting from the pattern room, where constructors design the most ...

Carpatree shop is on-line now!

After months of work on new clothes forms, graphics available on clothes, hundreds of material and finished product tests, hours of work on the brand’s philosophy and its final ...

Visit us or write hello

Contact us

Branch in Poland

ul. Czajkowskiego 15
43-300 Bielsko-Biała

ul. Smolna 38
00-375 Warszawa

Branch in Malaysia

16.5 Menara Weld
76 Jalan Raja Chulan
50-450, Kuala Lumpur