About Us

BYB. is a new sportswear and fitness apparel brand that was established in 2018 by two professional athletes Jason and Jessy Kalambay.

The Swiss-based brand wants to be recognized for their high-quality gear and also for the real identity behind the name of the brand.

“Be Your Blueprint” wants to inspire people to believe in themselves and in their goals, to further achieve greatness. We’re on a mission walking towards our blueprint and anybody wearing this brand becomes a part of it.


Question What is our return and exchange policy?
AnswerWe allow returns as long as they fall under our return/exchange guidelines. You can send us that package back to our address below.


All return shipping is at the customers expense.


Please keep in mind, we only accept returned items according to the following guidelines:


-Clothing tags must still be intact

-Can not be worn or washed

-Can not have deodorant marks on item (s)

– Cannot have makeup on item (s)

– Cannot have self-tanner on item (s)

– Cannot have human or animal hair on item (s)

-Cannot have stains of ANY kind on item (s)

– Cannot be damaged in any way

-Cannot have abnormal smell (perfume, body odor, etc.)

– Must be returned within 30 days of the delivery date


If your item does not meet this critera, it will not be accepted.


Please ship return item(s) to:



Ch.du Chateau 15

1422 Grandson / VD



Please make sure your name and order number are somewhere in or on the package.

Also, on a note inside the package, please let us know you’re returning them for a refund. Most customers write this on the packing slip. Once your return is processed by our returns department, you’ll receive an email confirmation. The refund will then take 1-5 business days to show on your end. If the refund takes longer than 5 business days, please contact your financial institution for further assistance.

Question How can I exchange a product?
AnswerPlease email us at info@kalambay.com before initiating an exchange. Because we have very limited inventory, we can’t guarantee we have your exchange item, but if we don’t have it, we’ll be in contact with you and we can always resend your original item or refund you accordingly after following the above instructions.
Question How can I change my order?
AnswerSend us an email at info@kalambay.com and if your package hasn’t been prepared already, we’ll be in mesure to make the modifications.
Question When will my order be shipped?
AnswerIt takes 2 days for your order to be treated before it will be shipped.
Question I placed an order but never received a confirmation email?
AnswerEmail confirmations are automatically sent to the email entered during checkout. We always recommend checking your spam folder as sometimes it may be in there. We recommend waiting 24 hours after ordering to make sure there isn’t just a delay on the email.
Question Where can I find the sizing guide?
AnswerWe have a sizing guide located on each product page and all of our products fit very true to size so you can’t go wrong with your normal size! If you are in between sizes, the best bet would be to size up.
Question Received a Faulty item?
AnswerPlease send us an email at info@kalambay.com as soon as possible and include the following information:


-Your order number

– The item which is damaged

-Photos of the damage


Once we have received this information from you, we will work to resolve this as soon as possible