This is the standard East German webbing equipment used by the East German military until 1989. It is made from synthetic materials in the style of older WW2 webbing.
Sample 1:
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Suspenders are fastened to the belt by looping the strap and fastening it against itself with the metal hook:
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Buckle Detail:
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Magazine Pouch:
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Strichtarn fabric is coated with waterproofing on inside.