UPPER: lightweight and waterproof Nixprene syntethic rubber

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OUTSOLE: lightweight and waterproof Nixprene synthetic rubber

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LINING:  fleece lining with insulating foam (80% natural wool)

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INSOLE: triple layer felt with aluminium foil insulation

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SIZE RANGE: 20 - 35

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HEIGHT: 18 cm

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WEIGHT: 220 gr (1/2 pair - size 23)