PrimaLoft

PrimaLoft® is a brand of patented synthetic microfiber thermal insulation material that was developed for the United States Army in the 1980s. PrimaLoft is a registered trademark of PrimaLoft, Inc., the brand's parent company.

PrimaLoft
TypeSubsidiary
IndustryManufacturing
Founded1983
Headquarters
Latham, New York
,
United States
ProductsSynthetic Insulation & Performance Yarn
ParentPrimaLoft, Inc.
Websiteprimaloft.com

PrimaLoft synthetic insulation is used in outerwear, gloves, sleeping bags, and footwear.[1] It is also used as a down alternative in pillows, comforters, and mattress toppers.[2]

In 2007, PrimaLoft introduced a product extension of yarn. The yarn is 100% polyester or 45% polyester fibers and 55% merino wool and is used in socks, sweaters, base layers, and accessories intended mainly for outdoor wear.[3]

In 2010, PrimaLoft was the first maker of branded insulation to be recognized for compliance with the bluesign criteria for environmental effect.[4] In 2015, PrimaLoft was the largest global supplier of bluesign approved insulation.[5] The bluesign criteria are designed for maximum resource productivity with respect to environmental health and safety.[6]

PrimaLoft makes fabric base layers, mid-layers, outerwear, and accessories.[7]

History

In 1983 the U.S. Army Research Laboratory in Natick, MA approached PrimaLoft's former parent company Albany International Corp., a global advanced textile and material processing company,[8] to develop a water resistant synthetic alternative to goose down for use in military sleeping bags and clothing systems in variable environmental conditions. The U.S. Army was primarily interested in a synthetic insulation that would be comparable to goose down in weight, compressibility, and warmth, but also retain heat while in the presence of moisture. In 1985, United States Patent 4,588,635 for "synthetic down" was filed and ultimately approved in May 1986. This original non-woven insulation would eventually be renamed as PrimaLoft ONE. PrimaLoft was then established as a business subsidiary of Albany International Corp. in 1988 for commercialization.

In 1989, the first commercially available PrimaLoft insulated garment was manufactured by L.L.Bean. A 1990 New York Times article titled "Outdoor Wear: Sorting Out the Choices" featuring statements by Edward Howell, then L.L. Bean's director of product development, featuring PrimaLoft insulation as a high-loft synthetic alternative to down with similar performance dry, but superior performance wet. Since then, PrimaLoft has gone on to become a major supplier of high performance, technical insulation for the outdoor industry.

On June 29, 2012, PrimaLoft, Inc. completed the acquisition of the assets of PrimaLoft® from former parent Albany International Corp. The company then became a privately held company as a result of the transaction.[9] PrimaLoft, Inc. moved its headquarters to Latham, NY in December 2013.

In October, 2017, PrimaLoft, Inc. was acquired by an investor group led by private equity firm Victor Capital Partners, in partnership with Allstate's private equity group.[10]

PrimaLoft was introduced into new insulation product segments as follows:

  • 1989: Jackets by L.L.Bean
  • 1992: Sleeping bags by Caribou
  • 1992: Gloves by Sand & Siman
  • 1993: Home furnishings by Lands' End
  • 2000: Footwear by L.L. Bean

Thermal performance

Wool has been relied upon for years for cold, wet weather due to its ability to insulate when wet. Down has been relied upon for cold dry areas but becomes a liability when wet. Apparently the design goal of PrimaLoft was to produce a fabric providing down-like insulation effectiveness even when wet.

The original patent filed for PrimaLoft insulation, known as "Synthetic Down" and filed in May 1986, describes a particular mix of synthetic microfibers and macrofibers that compares favorably to down.[11] It was proven to provide an equally efficient thermal barrier, be of equivalent density, possess similar compressional properties, have improved wetting and drying characteristics, and have superior loft retention when wet.[12] The latter point illustrates PrimaLoft's primary advantage over down. Unlike down, PrimaLoft is able to retain 96% of its insulating capability when wet by maintaining its loft, and therefore is used in clothing and equipment intended to be used in cold, wet conditions, such as jackets, parkas, gloves, sleeping bags and footwear.[13]

The intrinsic warmth of a jacket is highly correlated to both the type of PrimaLoft branded insulation used in the construction of the jacket, and the thickness of that insulation. A greater thickness of insulation will ensure greater airspace in which the insulation is able to trap body heat. Activity levels and warmth value of garments insulated with PrimaLoft products is largely dependent on the wearer and the garment's intended end use.

Sustainable Products

PrimaLoft first introduced a product containing post-consumer recycled content in 2007, meant for footwear applications.

In 2016, PrimaLoft introduced a synthetic insulation product for apparel containing 55% post-consumer recycled content. This application was first used by Patagonia in their Nano Puff line of products.[14]

In 2018, PrimaLoft announced three insulation products made from 100% post-consumer recycled content.[15]

Also in 2018, PrimaLoft announced the development of a synthetic insulation made from biodegradable fibers.[16]

Yarn

Products made of PrimaLoft Yarn are available in 100% polyester or a blend of 45% polyester and 55% merino wool, both of which provide high levels of comfort and moisture management for the end user.

PrimaLoft was introduced into new yarn product segments as follows:

  • 2006: Socks by L.L. Bean
  • 2010: Sweaters by ExOfficio
  • 2011: Base Layer by Adidas Outdoor

Fabrics

PrimaLoft has recently introduced a line of fabrics for the construction of base layers, mid-layers, outerwear and accessories.[17]

PrimaLoft fabrics are used by brands such as Athleta, Cotopaxi, Buff, Lands’ End and L.L. Bean.

Certifications

Third party testing and certification validates all performance claims published about PrimaLoft products. A list of these certifications include:

  • Thermal performance validations at Hohenstein Institute in Bonnigheim, Germany
  • Thermal performance testing at Kansas State University’s textile and apparel research institutions
  • ISO 11092 certification for thermal wet/dry performance
  • Oeko-tex standard 100 environmental evaluation standard
  • bluesign certification for environmental impact
  • Global Recycled Standard for third-party certification of recycled content, chain of custody, social and environmental practices and chemical restrictions.
  • ASTM D5511 testing for biodegradable fiber technology

Care

According to the company website, PrimaLoft insulation products are machine washable in cold water and dryable on gentle cycle. Garments are recommended to be tumble dried in a home dryer at low temperatures, and the use of the extreme heats and caustic chemicals of dry cleaning, irons, and bleach detergents must be avoided.[18] Specific care instructions vary per garment.

References
  1. "Brands using PrimaLoft". Archived from the original on 2010-07-17. Retrieved 2011-04-13.
  2. "PrimaLoft Home". Archived from the original on 2011-07-26. Retrieved 2011-04-13.
  3. "PrimaLoft YARN". Archived from the original on 2012-07-14. Retrieved 2012-07-02.
  4. "PrimaLoft Named First Branded Insulation Manufacturer to Obtain bluesign System Partner Status". Archived from the original on 2012-09-10. Retrieved 2011-04-13.
  5. "PrimaLoft, Inc. Confirmed As Largest Global Supplier of bluesign® Approved Insulations | Outdoor Industry Association". Outdoor Industry Association. Retrieved 2015-09-02.
  6. "bluesign® standard". Retrieved 2012-07-02.
  7. "PrimaLoft®: Comfort for every moment". www.primaloft.com. Retrieved 2018-10-25.
  8. "Albany International Corp. History". Archived from the original on 2011-07-07. Retrieved 2011-04-13.
  9. "PrimaLoft Completes Sale". Retrieved 2012-07-02.
  10. Inc., PrimaLoft. "PrimaLoft, Inc. Partners With Victor Capital Partners To Accelerate Its Growth Strategy". www.prnewswire.com. Retrieved 2018-10-25.
  11. "US Patent 4,588,635". Retrieved 2011-04-13.
  12. "US Patent 4,588,635". Retrieved 2011-04-13.
  13. "Brands using PrimaLoft". Archived from the original on 2010-07-17. Retrieved 2011-04-13.
  14. "PATAGONIA CHANGES THE NANO PUFF FOR GOOD WITH ALL-NEW PRIMALOFT GOLD INSULATION ECO". Patagonia Works. Retrieved 2018-10-25.
  15. "PrimaLoft, Inc. Elevates Sustainability and Performance with Debut of 100% Recycled Insulation Technologies". SNEWS. Retrieved 2018-10-25.
  16. Inc., PrimaLoft. "PrimaLoft, Inc. Debuts PrimaLoft® Bio, the First Synthetic Insulation Made from 100% Recycled, Biodegradable Fibers". www.prnewswire.com. Retrieved 2018-10-25.
  17. "PrimaLoft®: Comfort for every moment". www.primaloft.com. Retrieved 2018-10-25.
  18. "PrimaLoft Care". Archived from the original on 2013-01-31. Retrieved 2011-07-02.
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