Verify your genuine fibers

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Garment letters from The LYCRA Company serve as proof that your fabrics contain genuine fibers from our brands.  

Our garment letters certify that your fabrics have been tested by our labs and have met our high standards. Brands can rest assured they’re using only certified LYCRA®, COOLMAX®, and THERMOLITE® brand fibers, and customs officials have the proof they need that a trademark is valid. 

Safeguard your investment

Garment letters are apparel registration certificates that apply exclusively to sample(s) submitted to The LYCRA Company for testing. They guarantee your fabrics contain genuine fibers from our brands.  

Only garments made with genuine fibers from The LYCRA Company are eligible to use our branded hang tags and point-of-sale assets. 

Garment letters should be requested by fabric or garment suppliers for bulk shipments to ensure all the products in the bulk shipment use the same manufacturing processes. 

How to request a garment letter

1

Visit the LYCRA ONE™ portal

Visit the portal to access the complete how-to guide and start your request. Register or log in below.
2

Find your fast track code

You’ll need a fast track code to request a garment letter — it certifies that your fabric has been tested and approved by The LYCRA Company.
3

Gather required materials

Check the how-to guide on the LYCRA ONE™ portal for the complete list of required materials.
4

Submit your request

All requests must be completed in one session. Once complete, you will receive an email order confirmation.

Ready to request a garment letter?

Log in or register now