Polygiene/Gregory: Odor control for backpacks

Odor control for backpacks

(Source: Polygiene)
(Source: Polygiene)

In summer or winter, on dry or sweaty backs, after many ascents and tours, the suspension system of backpacks starts to develop odors. Backpack experts at Gregory have collaborated with Polygiene to adapt the innovative Polygiene StayFresh technology for backpacks. This technology inhibits the growth of odor-causing bacteria in fabrics.
Sweat itself has no smell. It is the bacteria that love to settle in fabrics of all kinds. They prefer warm, moist environments where, as part of their metabolism, they produce fatty acids which cause the smell.
From the shoulder harness and hip belt to the back panel, the custom Polygiene StayFresh technology is embedded in the suspension system’s mesh surface, ensuring hygienic freshness for the entire lifespan of the packs. For this reason, backpacks do not need to be washed as often, which saves water and reduces abrasion. Even if were possible to launder the backpacks, if the bacteria are already present in the material, they will not go away at normal washing temperatures. The result: after the wash, the smell returns immediately. To remove grime and dirt, the packs can still be gently rinsed in the shower or bathtub.
Polygiene StayFresh is based on silver chloride, a salt that is naturally present in water and soil. The silver ions in the salt make it impossible for the bacteria responsible for bad smells to multiply, stopping odor in its tracks. This advanced technology is integrated into the fabric, so freshness is built-in for the lifetime of the garment. Furthermore, because it is added during the finishing stage, there is no additional energy or water required during the application, minimizing environmental impact during manufacture.
All treatments from Polygiene AB, Malmö/Sweden, have undergone extensive sensitivity testing and are completely safe – even when used for long periods. Polygiene StayFresh is only active in the material, and therefore does not interfere with any natural bacteria on the skin. Polygiene is accredited by bluesign, has the Oeko-Tex Eco-Passport and is compliant with REACH, the EU’s chemicals regulation.
Gregory Mountain Products, LLC, Salt Lake City, UT/USA, uses the Polygiene technology in larger touring packs with seamless suspension systems. It is also used in light-weight rucksacks and the split-case design rucksack Border Traveller, where the anti-microbial technology is applied to the ActiveShield compartment. This waterproof compartment separates wet and dirty gear, shoes and clothes from the clean ones.

Polygiene, bluesign, Oeko-Tex = registered trademarks
StayFresh = trademark

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