Webinar: Ensuring Polyester Filling Meets Quality & Sustainability

April 8, 2021
2:00 PM EST to 3:00 PM EST | Online


Open industry. All apparel and footwear industry professionals, regardless of AAFA membership, are encouraged to participate.


Polyester filling is the fastest growing material used for filled textiles. Innovations in technology led to the development of variations of polyester each having multiple claims.

This presentation will cover the testing currently available to verify compliance and claims made for polyester filling, with examples from recent tests showing the benefits and drawbacks to polyester filling materials. With 20 years of experience in testing polyester and verifying product claims behind the, IDFL will explain the relationship between attributes of polyester and the performance of finished products.

Attendees of this webinar will learn:
  • Benefits and drawbacks of using polyester filling materials.
  • The tests and certifications (GRS, RCS) that ensure recycling compliance claims for polyester, as well as verification of ethical supply chains.
  • The relationship between polyester fiber attributes and product performance.


Wilf Lieber
IDFL Laboratory and Institute  

Wilf Lieber has been the CEO of IDFL for 25 years. Wilf serves as a technical advisor to industry associations in North America, Europe and Asia. He  has developed many of the standards used in the down and feather industry. He has an MBA from Brigham Young University and has started companies in software development and translation services. Wilf has lived in China for the past five years overseeing the expansion of IDFL services in Asia. He bikes 20 km to and from work in Hangzhou and loves to swim and climb mountains. Wilf and Constance’s passion are their five children and eleven grandchildren. Wilf’s 93-year old father, Wilford Lieber Sr., founded IDFL as a Swiss immigrant 42 years ago.
James Moore
Asia CEO
IDFL Laboratory and Institute

James Moore is the CEO of IDFL Asia. He has lived in Asia for over 10 years working in the retail, consulting, and government sectors. He holds a BA in Chinese from Brigham Young University, a Ph.D. from Zhejiang University in Entrepreneurship Management, and is currently finishing his MPA at the Harvard Kennedy School of Government. James and his wife are the proud parents of five children.

Bryan Mortensen
Global Audit and Certifications Manager
IDFL Laboratory and Institute

Bryan Mortensen is the Global Audits and Certifications Manager for IDFL Laboratory and Institute. Bryan is an alumni of Utah State University, where he graduated with dual degrees in International Business and Asian Studies. In early 2013, Bryan began his work with IDFL. He has been instrumental in the development of the IDFL audits and certifications programs. As an auditor and certifier, he knows the textile certifications standards in and out. He speaks Chinese and has spent six years abroad in China setting up IDFL services. Bryan returned from China last year with his family - wife and two children (ages 5 and 3). In his free-time, he enjoys playing basketball, archery, camping and card games. 


Kristen Kern
Manager, Supply Chain & Sustainability Initiatives

As Manager of Supply Chain and Sustainability Initiatives, Kristen leads the AAFA Sustainability portfolio, working with government and industry professionals to further environmental sustainability in the apparel and footwear industry. She also leads the AAFA Product Safety portfolio, collaborating with stakeholders to create best practices and regulations for safe, quality products for consumers. Kristen holds Bachelor’s Degrees in Fashion Merchandising and Design, and French, with a minor in Chemistry from Virginia Tech.