What Type of Material is Inside Backpack Straps?

  • Thread starter Thread starter Nunya
  • Start date Start date
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Nunya

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I know the outside is usually Nylon but what is inside? I know its foam but what type of foam is it? There are so many diffeent types of foams so doing a search for "foam, hardfoam, etc. " doesnt bring up good searches. Maybe yall can help me out. Thanks.
 
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